Chrysanthemum has the functions of nourishing the liver and improving eyesight, clearing the heart and nourishing the kidneys, strengthening the spleen and stomach, moisturizing the throat and promoting fluid production, adjusting blood lipids, warming the spring and removing dampness, quenching thirst in the summer and summer, relieving dryness in the autumn, clearing fire in the winter, beautifying the skin, nourishing the blood and refreshing, and enhancing vitality. It can delay aging and extend the life of the elderly.