The efficacy of cassia seeds is mainly to clear heat and brighten the eyes (get rid of the heat evil in the body, promote the recovery of vision), laxative and laxative, mainly used for the treatment of eye redness and astringent pain, shyness and tearfulness (eyes are afraid of light, and often tears), constipation and other conditions, while the side effects are still not clear. If the patient is suffering from symptoms such as eye redness and swelling pain, dry mouth, liking cold drinks, constipation, yellow urine, irritability, headache and dizziness, and dark and unclear eyes caused by exuberant liver fire, the drug can be used for treatment. Cassia seeds for liver fire attack, eye redness, swelling and pain, shyness and tears (eyes afraid of light, often tears) or eye cataracts, often with psyllium, Celosia and other liver clearing medicine; treatment of wind-heat eye disease, often with chrysanthemum, Bauhinia and other wind clearing medicines; treatment of liver deficiency loss of nourishment, dim vision and other evidence, often with Chinese wolfberry, cuscuta, Schisandra, and other nourishing liver and kidney drugs, in order to help the effect of its eyesight. It should be noted that people with diarrhea and low blood pressure should be cautious. It is recommended to follow the doctor’s instructions after identification of the symptoms.