The invention discloses a nutrition-harmonizing essential oil, which comprises achyranthes bidentata, ephedra, safflower, rehmannia glutinosa, rehmannia glutinosa, dried blood, black medicine, raw Chuanwu, myrrh, okra, spatholobus, meat hibiscus, gastrodia elata, and Codonopsis pilosula , ginseng, cordyceps sinensis, rice dendrobium, yam, sesame, Polygonatum odoratum, Cordyceps militaris fruiting body, okra peach kernel, oyster, borneol, Panax notoginseng, green onion, ginger, garlic, white vinegar, seahorse powder, dandelion, fat sea, Houttuynia cordata, Pueraria root, lotus root, lotus leaf, lotus seed core, licorice, coptis, mint, sealwort, sorghum, strong liquor, rock sugar, Chuanbei, pearl powder, deer antler powder, banana peel, Luobuma, ginkgo leaf, cinnamon, cinnamon, tendons Grass and other pure natural edible herbs. The invention also discloses a preparation method of the nutrient-adjusting essential oil. The invention has the advantages of: (1) natural, safe, environment-friendly and effective; (2) not only protecting the health of nasal cavity, upper respiratory tract and lungs, but also having beauty effect; (3) easy to carry and easy to use.