Cassia seed burdock root chrysanthemum tea can be used for eye redness and swelling pain, dark and unclear eyes, etc., because the tea may not be able to fully analyze the active ingredients of the drug, so the efficacy is limited. 1. Cassia seeds: can clear heat and brighten the eyes (to get rid of internal heat, promote vision recovery), laxative. Used for eye redness and astringent pain, shyness and tears (eyes afraid of light, often tears), headache and dizziness, dark eyes, constipation. 2. Burdock root: can disperse wind-heat, swelling, used for fever and cold, headache, cough, fever and face swelling, sore throat, swollen gums, rheumatism and paralysis, mass in the abdomen (women with lumps in the lower abdomen), carbuncle boils, hemorrhoids, prolapse of the anus. 3. Chrysanthemum: It can dispel wind-heat and clear heat, calm the liver and improve eyesight, clear heat and detoxify (remove heat and toxicity from the body). It is used for wind-heat cold, headache and dizziness, redness and swelling of the eyes, blurred vision, canker sores and poisons. It is recommended that the first doctor to identify the evidence to guide the use of medication, the patient can not take the drug on their own, so as not to cause adverse effects on the body.