89 results about "Lemon myrtle" patented technology

The invention relates to a botanical natural disinfectant, which is characterized in that the disinfectant is prepared by mixing active components including patchouli essential oil and composite of various plant essential oils and solvent; wherein, the active components are prepared by mixing 0.5 to 30.0 percent of patchouli essential oil, cinnamon essential oil, perilla essential oil, eucalyptus essential oil, litsea cubeba essential oil and citronella essential oil and are used for preventing the crop disease caused by plant pathogenic bacteria. Compared with the original disinfectant, the botanical natural disinfectant has the advantages of good broad spectrum sterilization, safety to non-target organism and environment-friendly biodegradation.

The invention relates to a citronella essential oil sprout inhibitor and application thereof to potato preservation, and discloses the citronella essential oil serving as a novel sprout inhibitor and the application thereof to the suppression of sprouting during potato preservation. The citronella essential oil is applied to the potato preservation environment by methods such as fumigating, spraying and the like, wherein the concentration of the essential oil is controlled to be in a range from 0.01 to 0.1mL / L through direct fumigating during fumigation; and spraying or dipping is adopted during liquid processing so as to control the concentration to be 0.1 to 1 percent. By using the citronella essential oil originated from a natural plant as an active ingredient, the sprouting during the potato preservation can be effectively suppressed, chemical substances are reduced or avoided, and the sprout inhibitor has the advantages of good sprout inhibition effect and environmental friendliness.

The invention relates to an essence, in particular to a flavored essence for increasing cigarette sour and sweet note. The flavored essence is made of raw materials including, in weight percent, 0.5-0.8% of 1% hydroxycitronellal, 1-2% of ethyl acetate, 5-8% of isoamyl acetate, 0.01-0.5% of beta-damascenone, 0.01-0.8% of dihydroactinidiolide, 0.01-0.8% of alpha-ionone, 1-2.5% of vanillin, 0.5-4% of butyric acid butylester, 0.5-5% of acetic acid, 0.5-5% of lactic acid, 4-10% of dried apricot slices extract, 4-10% of plum extract, 1-5% of tomato extract, 0.5-2% of iris extract, 3-8% of Zimbabwe tobacco extract, 20-30% of propanediol and 4.1-61.67% of 70% ethyl alcohol. The flavored essence solves the problems that an existing cigarette is single in fragrance and obvious in offensive odor and stimulation, smoking satisfaction and enjoyment of the cigarette is improved, the aroma amount of the cigarette is increased, obvious sour and sweet note is given for the cigarette, the flavored essence is rich in fragrance, and stimulation is reduced.

The invention provides a compound essential oil capable of repelling mosquitoes. The compound essential oil is prepared from the following plant essential oils in parts by volume: 80-100 parts of citronella essential oil, 20-30 parts of rosemary essential oil, 10-15 parts of lavender essential oil and 12-18 parts of peppermint essential oil. The citronella essential oil is a well-known insect repelling essential oil and is harmless to the human body and warm in smell, thus being used for repelling the flea parasites of pets; the rosemary essential oil is an air freshener and has a very good mosquito repelling effect; the lavender essential oil is beneficial to sleep; the peppermint essential oil can be used for deodorizing, repelling the mosquitoes and purifying the air; therefore, the compound essential oil is formed by combining the plant essential oils and does not contain synthetic fragrances, chemical dyes, a preservative and mineral grease, thus being good for the physical and psychological health of people.

The invention discloses a mosquito-repelling, bacterium-inhibiting, and itch-relieving spraying agent, which comprises a mosquito-repelling essential oil composition, an essential oil clathrate, and a bacterium-inhibiting and itch-relieving composition; the ratio of mosquito-repelling essential oil composition to essential oil clathrate is 1:10-1:8, the essential oil clathrate covers the mosquito-repelling essential oil composition, the ratio of mosquito-repelling essential oil composition to bacterium-inhibiting and itch-relieving composition is 3:2-2:1; the mosquito-repelling essential oil composition comprises 0.01 to 10 parts of citronella oil, 0.01 to 10 parts of lavender oil, 0.01 to 10 parts of eucalyptus leaf oil, and 0.01 to 10 parts of menthol; the essential oil clathrate comprises 1 to 60 parts of beta-cyclodextrin; the bacterium-inhibiting and itch-relieving composition comprises 0.01 to 10 parts of thymol, 0.01 to 10 parts of alcohol extract of folium artemisiae argyi, and 0.01 to 10 parts of dyclonine hydrochloride. The essential clathrate covers the mosquito-repelling essential oil composition, thus a lasting mosquito-repelling effect can be achieved, and the bacterium-inhibiting and itch-relieving composition can quickly relieve the itch.

The invention discloses aromatherapy essential oil with freckle removing, skin whitening, heat clearing, toxicity removing and skin tendering functions and a preparation method of the aromatherapy essential oil. By starting from natural plants, various plant essential oil with the freckle removing, skin whitening, heat clearing, toxicity removing and skin tendering functions is screened and compounded according to a certain proportion to prepare the aromatherapy essential oil, and the aromatherapy essential oil comprises, by weight, 1-3 parts of dalbergia wood essential oil, 1-3 parts of lemongrass essential oil, 0.1-1 part of lavender essential oil, 0.5-1 part of cypress essential oil, 0.5-1 part of cinnamon essential oil, 0.1-0.3 part of peppermint essential oil, 0.5-1 part of geranium essential oil, 20-30 parts of avocado oil, 5-15 parts of vitamin E, 10-30 parts of wheat-germ oil and 10-30 parts of jojoba oil. Compared with pure essential oil, the aromatherapy essential oil is comprehensive is effect and convenient to use, can remarkably inhibit formation of melanin, has good sterilization effects and wide application prospects and market values, and can improve skin smoothnessand elasticity after use.

The invention relates to a preparation method of granular green tea with verbena, lemon grass and sweet orange, which comprises the following steps of: washing lemon grass, lemon verbena and green tea; slitting; drying; selecting; sterilizing; crushing into powder with the grain diameter of 300 meshes by using an ultramicro crushing system; mixing the powder evenly; adding concentrated sweet orange juice in proportion, preparing into 2.0-3.0mm granules by using a high-efficiency rotating granulator; drying; sieving; sterilizing; and bagging. The granular green tea with verbena, lemon grass and sweet orange comprises the following components in percentage by weight: 31.5%-39.1% of lemon grass; 11.6%-18.9% of lemon verbena; 45.5% -53.2% of green tea and 3.4%-4.7% of sweet orange solids. By the preparation method, green tea can achieve unique flavors of vanilla and sweet orange, is shaped into granules and convenient for brewing so that the efficacies of vanilla and green tea can be developed fully, moreover, the varieties and designs of the green tea can be increased to meet the demands of consumers.

The invention discloses chrysanthemum candle for infant mosquito repelling and a preparation method of the chrysanthemum candle. The chrysanthemum candle consists of the following components by weight: 20-30g of organic shea butter, 2-30g of natural beeswax, 15-25g of folium artemisiae argyi, 10-20g of chrysanthemum, 10-20g of cold pressing golden yellow jojoba oil, 5-8g of aloe soaked coconut oil, 2-3g of vitamin E oil, 3-5g of lemon citronella essential oil, 9-15g of tea tree essential oil, 9-12g of cypress essential oil and 6-8g of eucalyptus essential oil. The candle prepared from the components has the advantages that the candle is pure, natural, healthy and environment-friendly, the burning time is long and the wick is not broken after being burned for a long time, not only has the effect of repelling mosquitoes, but also has the functions of relieving fatigue and alleviating nervous tension, and is fragrant in favor, and no harmful gases are emitted when being burned.

The invention relates to a rose compound essential oil for resisting skin aging. The rose compound essential oil for resisting skin aging is prepared by uniform mixing of rose essential oil, citronella essential oil, cananga odorata essential oil, lavender essential oil and grape seed oil. The rose essential oil is prepared as follows: taking fresh rose petals, adding water for extraction, and separating oil and water, thus obtaining the rose essential oil. The citronella essential oil is prepared as follows: taking whole herb of citronella, coarsely crushing, adding the water for extraction, and separating oil and water, thus obtaining the citronella essential oil. The cananga odorata essential oil is prepared as follows: taking fresh cananga odorata petals, adding the water for extraction, and separating oil and water, thus obtaining the cananga odorata essential oil. The lavender essential oil is prepared as follows: taking whole herb of lavender, coarsely crushing to obtain coarse powder, adding the water for extraction, and separating oil and water, thus obtaining the lavender essential oil. The rose compound essential oil for resisting the skin aging has the advantages of simple processes; through scientific compatibility and synergistic effects of the natural plant essential oils, active ingredients can quickly penetrate into skins for absorption, and the anti-aging, skin protection and other purposes can be achieved; and the rose compound essential oil for resisting the skin aging has good improvement effects on skin aging symptoms such as stains, wrinkles, laxity and the like, and is applicable to the skin aging symptoms of all kinds of characteristics.

The invention discloses a method for interplanting mosla chinensis with musa nana, and belongs to the technical field of planting of agricultural products. The method comprises the steps of land preparation and hole digging, planting, filed management and the like. The method for interplanting mosla chinensis with musa nana has the advantages that mosla chinensis is planted in good time in a musanana land, soil, fertilizer and water resources can be utilized fully, so that mosla chinensis grows rapidly, the biomass is large, through regular mowing, mosla chinensis can serve as superior biological green manure to return to the field, thereby controlling the growth of weeds, increasing the soil organic matter, and improving the soil quality and quality of musa nana; volatile substances generated during the growth of mosla chinensis have a strong insect expelling ability and has a function of avoiding diseases and pests of musa nana, the pesticide application can be effectively reduced,and economic and ecological benefits are increased.

Disclosed are compositions and corresponding methods of their use that include plant, plant parts, or extracts thereof from Michelia magnifica, Xylosma japonicum, Prunus cerasifera, Nyssa sinensis, Chimonanthus praecox, Sassafras tzumu, Inula helianthus-aquatica, Capparis bodinieri, Passiflora caerulea, Galium aparine, Boehmeria platyphylla, Colquhounia coccinea, Sageretia rugosa, Jasminum stephanense, Antirrhinum majus, Daphniphyllum oldhamii, Cuscuta chinensis, Salix variegate, Osmanthus parvifolius, Euphorbia trigona, Calliandra haematocephala, Excoecaria acerifolia, Dianthus chinensis, Myriophyllum spicatum, Nymphoides peltatum, Prunus salicina, Solanum coagulans, Elaeis guineensis, Rhododendron moulmainense, Spatholobus suberectus, Artabotrys hexapetalus, Hibiscus syriacus, Lonicera calcarata, Hydnocarpus hainanensis, Ilex fragilis, Antidesma venosum, Acacia pennata ssp. Kerrii, Althaea rosea, Millettia velutina, Themeda japonica, Dalbergia hancei, Ipomoea batatas, Photinia glomerate, Hippophae rhamnoides, Azadirachta indica, Karelinia caspica, Bauhinia touranensis, Eriobotrya japonicas, Anaphalis contorta, and / or Cratoxylum prunifolium, or any combination thereof.

The invention discloses a composition for treating atherosclerosis. The composition is characterized by comprising geranialdehyde used as an effective component, wherein the geranialdehyde is from lemon myrtle, litsea cubeba, cubeb litsea tree, lemon grass and lemon tea tree, wherein the concentration of the geranialdehyde is 1-51g / ml. The pharmaceutical composition containing the geranialdehyde has an unequal inhibition effect on hyperplasia of human aortic smooth muscle cells stimulated by lipopolysaccharide. Compared with the geranialdehyde and other flavonoid compounds, the composition has the best activity, can inhibit hyperplasia of human aortic smooth muscle cells caused by oxidized low-density lipoprotein, does not have toxicity on cells, and can inhibit inflammatory response.

The invention relates to the technical field of food processing, and provides a preparation method of citronella lemon melon seeds. The method comprises the following steps of selecting sunflower seed raw materials; 0.2-0.3 g of lemongrass, 0.2-0.4 g of dried lemon slices, 0.05-0.07 g of clove, 0.1-0.3 g of anise, 0.05-0.07 g of fennel, 0.1-0.3 g of radix glycyrrhizae, 0.05-0.07 g of cinnamon, 0.05-0.06 g of galangal and 0.05-0.06 g of pericarpium citri reticulatae are added into every 100 g of clean water for preparing a material water to be decocted; 6-7 g of salt, 0.1-0.3 g of sodium cyclamate, 0.03-0.05 g of saccharin sodium salt, 0.02-0.04 g of sucralose and 0.01-0.03 g of a compounding antioxidant are added into every 100 g of the material water and added into a micropressure pot and stirred until the materials are dissolved completely; then, the sunflower seeds are added into the micropressure pot to be cooked. The lemongrass and lemon slices are added into the material water, the sweet and sour melon seeds with natural lemon fragrance are obtained, and the citronella lemon melon seeds are particularly suitable for being eaten in summer.

The invention belongs to the field of biological chemistry and particularly relates to a pure-natural bacterium-removing hand sanitizer for children. The pure-natural bacterium-removing hand sanitizer is prepared from the following raw materials in parts by weight: 100 to 200 parts of lemongrass hydrosol, 40 to 50 parts of edible olive oil, 10 to 18 parts of edible coconut oil, 12 to 20 parts of edible palm oil, 20 to 29 parts of a pogostemon cablin extracting solution, 11 to 17 parts of potassium hydroxide, 0.1 to 0.3 part of lemongrass essential oil and 0.1 to 0.3 part of vitamin E. The pure-natural bacterium-removing hand sanitizer takes lemongrass as a main component and the lemongrass has a synergistic effect with other materials to prepare the pure-natural and non-toxic-side-effect bacterium-removing hand sanitizer for infants.

The invention relates to the field of disinfectants, in particular to a botanical disinfection composition. The botanical disinfection composition comprises the following raw materials in parts by weight: 0.5-1.0 part of tea tree essential oil, 0.5-1.0 part of niaouli essential oil, 0.5-1.0 part of palmarosa essential oil, 0.5-1.0 part of lemon mint essential oil, and 0.3-0.8 part of lemon myrtle essential oil and / or litsea cubeba essential oil. The invention further provides a method for preparing the botanical disinfection composition, comprising uniformly mixing tea tree essential oil, niaouli essential oil, palmarosa essential oil, lemon mint essential oil, and lemon myrtle essential oil and / or litsea cubeba essential oil according to predetermined parts by weight. The botanical disinfection composition provided by the invention is low in usage amount of ethanol, small in toxic and side effects, good in sterilization effect and short in action time.

The invention discloses an anti-bacteria antioxidative environment-friendly bactericide. The anti-bacteria antioxidative environment-friendly bactericide is composed of citronella, lemon grass, acorus gramineus, perilla frutescens, cinnamon, rosemary, allspice, nutmeg, turmeric and litsea cubeba. The anti-bacteria antioxidative environment-friendly bactericide is prepared from, by weight, 17-25 parts of the citronella, 22-29 parts of the lemon grass, 11-16 parts of the acorus gramineus, 16-23 parts of the perilla frutescens, 10-15 parts of the cinnamon, 14-20 parts of the rosemary, 8-13 parts of the allspice, 5-11 parts of the nutmeg, 18-24 parts of the turmeric and 19-26 parts of the litsea cubeba. The anti-bacteria antioxidative environment-friendly bactericide is prepared from pure natural traditional Chinese herbal medicine, green and free of pollution, chemical components and toxic and side effects and has excellent anti-microbial and bacteriostasis functions and can serve as a food preservative.

The invention discloses Tom-Yum-Goong-flavor oil, Tom-Yum-Goong-flavor sausages, and a preparation method thereof. The Tom-Yum-Goong-flavor oil comprises the following raw materials in parts by weight: 15-25 parts of chili pepper essence oil, 1-3 parts of citronella oil, 0.5-1.5 parts of lemon oil, 3-5 parts of curry essence oil, 3-5 parts of celery seed essence oil, 2-4 parts of coriander seed essence oil, 2-4 parts of scallion essence oil, 1-3 parts of ginger oil resin, 1-3 parts of galangal essence oil, 1-2 parts of black pepper essence oil, and 55-60 parts of soybean oil. The Tom-Yum-Goong-flavor oil has unique refreshing fruit aroma of the citronella and the lemon fruits, as well unique hot and spicy aroma of the chili peppers and the fresh gingers; moreover, the Tom-Yum-Goong-flavor oil is capable of neutralizing fishy flavor and greasiness of the sausages, so that the Tom-Yum-Goong-flavor sausages are better in taste.

The invention discloses fresh-scent brown sugar and a preparation method thereof. Lemongrbumm stems and sugarcane juice are decocted according to the weight ratio of (400-600): (2000-3000), and the fresh-scent brown sugar finished product is obtained. No pigment is added in the fresh-scent brown sugar, the prepared fresh-scent brown sugar finished product has fresh scent of natural lemongrbumm and sweetness of brown sugar prepared through an old method, the fresh-scent brown sugar can be used for cooking sweetmeals and making leisure beverages, the fresh-scent brown sugar and various materials can be processed, fresh-scent brown sugar biscuits, fresh-scent brown sugar candy, fresh-scent cakes and the like are made, and the fresh-scent brown sugar has wide multi-purpose functions. The brown sugar product has the health-care functions of making people refreshed, relieving cough and asthma, maintaining beauty and keeping people young, relieving swelling and pain, being antibacterial and bacteriostatic, improving immunity and the like.

The invention discloses compound essential oil extracted from plants. The compound essential oil is prepared from the following components in parts by weight: 20 to 40 parts of citronella essential oil, 10 to 20 parts of lemon essential oil, 10 to 20 parts of rosemary essential oil, 5 to 15 parts of peppermint oil, 3 to 9 parts of borneol, 10 to 20 parts of needle juniper peppermint oil, 4 to 12 parts of sandalwood, 8 to 18 parts of eaglewood, 5 to 15 parts of rose flower, 3 to 9 parts of camellia japonica, 4 to 12 parts of liquorice root and 5 to 18 parts of lavender. The preparation method of the compound essential oil is simple and the prepared compound essential oil can be used for preventing bacterium breeding and empyema and has the effects of promoting the construction of new tissues, removing freckles and wrinkles, repairing skin and the like; and meanwhile, the compound essential oil also can be used for repairing sensitive skin, increasing the skin elasticity and improving dry and water-lacking skin.

The invention relates to a mosquito net cloth manufacturing process. The process mainly comprises the steps of weaving, dying and post-treatment, and has the following innovation points of: weaving dacron yarns and silks in a mixing mode; adding 1,000-1,200 parts by weight of water, 27-31 parts by weight of daphne odera, 42-52 parts by weight of slurperon, 38-42 parts by weight of cordate telosma, 25-57 parts by weight of mozzie buster and 31-41 parts by weight of fly-expelling plum into a container; heating the components to 40-45 DEG C and keeping the components at the temperature for 110-120 minutes; and dyeing the cloth in a dyeing machine, and finally carrying out post-treatment on the cloth. As the daphne odera, the slurperon, the cordate telosma, the mozzie buster, the fly-expelling plum and the like are added into the cloth, after the cloth is made into a mosquito net, the daphne odera with thick sweet fragrance has a good hypnosis effect; and the mozzie buster with lemons fragrance has mosquito-expelling gene citronellal and can continuously release the citronellal substances in air. The mosquito net can release the efficacy of the medicines slowly during the sleep of a user for a long time, and can bring each component into play, so that the mosquito net can not only give out the fragrance and play a role of hypnosis, but also expel mosquitoes, thus meeting the requirements in summer.

The invention provides a lemongrass dehydration method capable of preparing lemongrass essential oil incidentally. The dehydration method comprises a step of drying and dehydrating the lemongrass by using a closed dryer, and also comprises a step of collecting the steam, a step of condensing the steam, a step of filtering by an ultra-filtration membrane, a step of filtering by a nano-filtration membrane and a reverse osmosis concentrating step, wherein the concentrated solution obtained after the reverse osmosis concentrating step is lemongrass essential oil, and the permeate liquid is lemongrass essence. By adoption of the method, the steam generated in the lemongrass dehydration drying process is likely to be collected and in which the contained vanilla essential oil is separated, thus the excellent economic effects of making waste profitable and making maximum use of lemongrass are achieved.

The invention discloses a natural mosquito repellent liquid which comprises 3 to 8 parts by weight of anti-mosquito essential oil, 2 to 5 parts by weight of Phellodendron amurense bark extract, 3 to 5parts by weight of honeysuckle flower extract, 8 to 15 parts by weight of emulsifier, and 100 parts by weight of deionized water, wherein the anti-mosquito essential oil is one or more of citronellaessential oil, tea tree essential oil, lavender essential oil and geranium essential oil. According to the invention, natural anti-mosquito essential oil, natural plant extract and a natural emulsifier are taken as raw materials, the prepared mosquito repellent liquid is non-toxic, does not cause damage to the human body and can effectively repel mosquitoes for a long time and prevent mosquito bites. The mosquito repellent power of the citronella essential oil is the strongest, but the smell is not good; the tea tree essential oil has strong antibacterial activity and mildness to skin; the lavender essential oil can clear away heat and remove toxity and the smell is popular with many people; and the Pelargonium hortorum essential oil has strong mosquito repellent ability and fragrant smell, but has a relatively high price, and therefore a user can combine the essential oil as needed.

The invention discloses mosquito-repellent soap which is prepared from the following raw materials in parts by weight: 15-25 parts of sodium cocoate, 50-70 parts of sodium palmitate, 3-5 parts of dodecyl polyglucoside, 3-5 parts of a cymbopogon extract and 20-25 parts of water. Due to natural component of cymbopogon, the mosquito-repellent soap is safe and free of irritation and can repel mosquitoes effectively when being used at morning and night.

The invention discloses a high-efficiency mosquito-repelling skin care lotion and a preparation method thereof. The high-efficiency mosquito-repelling skin care lotion is characterized by consisting of the following raw materials: 3-5 percent of 10-20 percent of hydroxycitronellal 1,2-propanediol acetal, 2-5 percent of geranium extract, 5-10 percent of honey, 5-10 percent of egg white, 0.5-2 percent of Chinese angelica, 0.5-2 percent of peach kernel, 0.5-2 percent of salvia miltiorrhiza, 0.5-2 percent of radix angelicae, 0.5-2 percent of rhizoma typhonii, 0.5-2 percent of rhizoma bletillae and the balance of water. The preparation method comprises the following steps: adding water into the traditional Chinese medicine components for decocting, concentrating and cooling; and adding water into the egg white for diluting, mixing with the traditional Chinese medicine component concentrated solution, adding the 3-5 percent of 10-20 percent of hydroxycitronellal 1,2-propanediol acetal for emulsifying and forming. Compared with a conventional mosquito-repelling product, the mosquito-repelling emulsion has the high-efficiency and long-lasting beneficial effects, has the skin care and beauty effect and integrates the effects of repelling mosquitoes, relieving itching, protecting the skin and beautifying. Moreover, by adoption of the nontoxic raw materials which pass through GRAS (Generally Recognized as Safe) authentication, the product is safe and reliable.

The invention provides all natural citronella handmade soap which is prepared from the following raw materials in parts by weight: 15-20 parts of citronella powder, 30-50 parts of coconut oil and 5-10 parts of bitter orange essential oil. The handmade soap has multiple purposes for face washing, bath and hand washing and can meet daily skin care requirements of people; raw materials are from nature without addition of any essence; the soap has no stimulation and allergy; the bitter orange essential oil is added into the raw materials and can contribute to relaxing the people and sleep of children at night; in addition, the bitter orange essential oil facilitates a lymph circulation system, helps wrinkly skin to expel toxins and can promote formation of skin collagen; and the collagen is an ingredient for keeping the healthy and young skin.

The invention discloses a method for preparing plant type liquid mosquito incense. The method comprises the following steps: grinding the following components in parts by weight: 30-40 parts of argy wormwood leaf, 20-25 parts of pyrethrum, 15-25 parts of citronella, 11-16 parts of camphorwood, 7-14 parts of stigma croci, 3-8 parts of eaglewood, 10-15 parts of radix angelicae, 2-5 parts of aloe and 3-6 parts of elm bark, adding 150-200 parts of water, decocting at the temperature of 60-70 DEG C for 3.5-5.5 hours, filtering, decocting the filtrate at the temperature of 100-110 DEG C for 0.5-1.5 hours to obtain a concentrated solution, namely the plant type liquid mosquito incense. The method has the beneficial effects that the used components are natural plants and are slightly harmful to a human body; according to the plant type liquid mosquito incense, the components such as the argy wormwood leaf, the pyrethrum and the citronella are effectively combined, and the mosquito incense has a good effect of killing mosquitoes; the plant type liquid mosquito incense is low in cost and suitable for large-scale production.

The invention discloses a natural plant mosquito-repellent liquid and a preparation method thereof, and relates to the technical field of mosquito-repellent products. The natural plant mosquito-repellent liquid is prepared from following raw materials in parts by weight through mixing: 25-30 parts of lemongrass herbs, 5-8 parts of herbs of Suchow mosla, 5-8 parts of christina loosestrife herbs and 3-5 parts of kohlrabies. Compared with the prior art, the natural plant mosquito-repellent liquid and the preparation method thereof have the advantages that aromatic plants including the lemongrass herbs and the herbs of Suchow mosla are taken as main raw materials, strong fragrance of the plants are volatilized, mosquitoes and insects can be repelled, the mosquito-repellent liquid is non-irritative to the respiratory system and has functions of dispelling wind and heat, clearing away summer heat, eliminating dampness and strengthening the spleen and the stomach, is safe, environment-friendly and pollution-free and can be used for a long time.