Chrysanthemum is a kind of good medicinal herb, which has the functions of dispersing wind and clearing heat, calming liver and brightening eyes, calming and relieving heat, expanding coronary artery, increasing blood flow, etc. Chrysanthemum tea is sweet and fragrant. It can moisten the throat, lower blood pressure, clear away heat and wind, and clear the eyes and detoxify. Long term drinking can prolong life. Compendium of Materia Medica records that "its nature and taste are slightly cold and sweet, and it has the effect of dispelling wind heat, calming the liver and brightening the eyes". Physical and chemical analysis shows that chrysanthemum contains volatile oil, inulin, adenine, amino acid, choline, stachydrine, berberine, flavonoids, chrysanthemum pigment, vitamins, trace elements and other substances, which can resist pathogens and enhance capillary resistance; Flavonoids have been proved to have a strong scavenging effect on free radicals, and have been effective in anti-oxidation, anti-aging and other aspects. Therefore, chrysanthemum cell fluid is widely used as cosmetic raw materials.