Chrysanthemum can be used to treat swollen and painful eyes caused by liver fire, thus reducing swelling, and often needs to be used in combination with other medicines under the guidance of a doctor. However, chrysanthemum can not treat all swelling and pain. Chrysanthemum has the effect of dispersing wind-heat, clearing the liver and improving eyesight. It is mainly used to treat wind-heat colds, headache and dizziness, eye redness and swelling pain, and blurred eyes. Clinically, Chrysanthemum is used to treat the swelling and pain of redness of the eyes caused by the attack of liver fire, which needs to be combined with cassia seed, stone cassia, Xia Gu Cao and other medicines under the guidance of the doctor. The adverse reactions and contraindications of Chrysanthemum are not clear. During the period of administration, diet should be light, avoid smoking, alcohol and spicy, cold and greasy food. If there is any discomfort, it is recommended to consult a doctor promptly. If medication is needed, it should be identified by a doctor and follow the doctor’s instructions for standardized treatment.