Cassia seed chrysanthemum combined mainly has the effect of clearing heat and brightening the eyes (eliminating the body’s heat evil, promoting the recovery of vision), laxative effect. Drinking water is limited to the active ingredient, generally does not achieve the therapeutic effect. Cassia seeds are sweet, bitter, slightly cold, to the liver, large intestine meridian; with heat and eyesight, laxative effect, mainly used for the treatment of eye redness, swelling and pain and heat accumulation and intestinal dryness and other symptoms. Diarrhea and low blood pressure should be used with caution. Chrysanthemum is slightly cold in nature, also has the effect of dispersing wind and clearing heat, calming the liver and brightening the eyes. Where Yang deficiency or headache and cold (fear of cold) are contraindicated. Therefore, Cassia Seed Chrysanthemum Tea can play a certain preventive health care role for symptoms such as red eyes, swelling and pain, and internal heat and stagnation, etc., and is suitable for people with liver fire, red eyes and intestinal dryness and constipation. The adverse effects of the above drugs are not clear, and it is not advisable to eat spicy stimulation and fatty food during the period of consumption. Patients need to be actively diagnosed and treated, the drug is recommended to be taken under the guidance of a traditional Chinese medicine doctor, and should not be purchased on their own.