Efficacy of chrysanthemum tea: sweet and slightly cold, with the effects of dispelling wind and heat, calming the liver and improving eyesight. Drinking chrysanthemum tea can relieve acne caused by excessive internal heat. Chrysanthemum has the function of clearing liver, improving eyesight and reducing fire. Anti-pathogen effect. Chrysanthemum morifolium has certain inhibitory effects on Staphylococcus aureus, B- thrombolytic streptococcus and typhoid Bacillus in vitro, and its water immersion agent also has inhibitory effects on some common skin pathogenic fungi. High concentration also has antiviral and spirochete effects in vitro. Enhance capillary resistance. After intraperitoneal injection of chrysanthemum extract into mice, the diffusion of local phenol blue caused by intrathecal injection of histamine was small, which showed that chrysanthemum extract could inhibit capillary permeability and have anti-inflammatory effect. Has antipyretic effect. It has a strong inhibitory effect on Staphylococcus aureus, Escherichia coli and Shigella flexneri. The effect on cardiovascular system is particularly significant. It can significantly dilate coronary artery and enhance coronary flow. This product has a good therapeutic effect on senile diseases such as coronary heart disease, hypertension and hyperlipidemia, thus playing a role in eliminating diseases and prolonging life. Remarkable achievements have been made in treating common diseases of the elderly in China. It has sedative effect on central nervous system; It also has detoxification effect.