Chrysanthemum contains safflower oil, high purine, amino acids, choline, flavonoids, pigments, vitamins and trace elements, which can resist pathogens and enhance capillary resistance. The flavonoids in it have been shown to have a strong scavenging effect on free radicals, and are effective in antioxidant and anti-aging. From a nutritional point of view, chrysanthemum petals contain 17 kinds of amino acids, among which the content of glutamic acid is relatively high. In addition, it is rich in vitamins and trace elements such as iron, zinc, copper and selenium, so it has a role that cannot be compared with vegetables and fruits, and it can be used to make tea.