The invention discloses cosmetic spray and a preparation method thereof, and belongs to the technical field of personal care products. The cosmetic spray is composed of the following components: butanediol, PEG / PPG-14 / 7 dimethyl ether, betaine, nicotinamide, a HAMAMELIS VIRGINIANA extract, beta-dextran, propylene glycol, hydrolyzed jojoba esters, sodium polyaspartate, acrylic acid (ester) copolymers, a CENTELLA ASIATICA extract, a PANAX GINSENG extract, a SCUTELLARIA BAICALENSIS extract, a PORTULACA OLERACEA extract, a GLYCYRRHIZA URALENSIS extract, dipotassium glycyrrhizinate, allantoin, octyl hydroxamic acid, glyceryl caprylate, p-hydroxyacetophenone, sodium polyglutamate, EDTA disodium, triethanolamine, Polosham 407, ceramide 3, carnosine, an essence, and deionized water. By applying aplurality of plant extracts into the cosmetic spray according to the invention, so that, the cosmetic spray has the effects of improving skin quality and nourishing the skin; moreover, the cosmetic spray is capable of avoiding secondary pollution caused by coating with the hands owe to adoption of the spraying usage-method.