At present, there is no clear adverse reaction of cassia seeds, so there is no cassia seeds of the 6 harmful effects of the said, the specific medication to follow the doctor’s instructions. Cassia seeds, its flavor is sweet, bitter, salty, slightly cold in nature; to the liver, large intestine meridian. It has the effect of clearing heat and brightening the eyes (removing heat from the body and promoting the recovery of eyesight), moisturizing and laxative effect. Mainly used for treating eye redness and swelling pain, shyness and tearfulness (eyes afraid of light, often tearing), dark eyes, headache, dizziness, intestinal dryness and constipation. People with spleen and stomach deficiency (spleen and stomach weakness and cold) and loose stools (thin and unformed feces) should be cautious of taking cassia seeds. It should be noted that the efficacy of a single Chinese medicine is limited, and clinically it needs to be used in combination with other Chinese medicines after identification by a Chinese medicine practitioner.