Cassia seeds in water is often used to assist in relieving dark and unclear eyes, shyness and tears (eyes afraid of light, often tears), eye red astringent pain, headache and dizziness, has a certain liver, laxative, bright eyes, laxative effect. The medication can play a limited efficacy of medicinal water, and single drug treatment effect is not good, it is recommended by a professional physician to identify the evidence after the dispensation of the group of drugs, and other medicines with a reasonable combination to improve the efficacy. Cassia seeds taste sweet, bitter, salty, slightly cold, attributed to the liver, large intestine meridian, with clearing heat and bright eyes (to remove the body’s heat, to promote the recovery of vision), laxative effect, used for the treatment of eye redness and swelling pain, shyness, more tears, dim vision, dark eyes, constipation of the intestinal dryness and fluid loss, yin deficiency and hyperactivity (deficiency of yin, hyperactivity of yang), vertigo, headache, etc.. This product is not suitable for people with qi deficiency and loose stools (thin and unformed feces). When discomfort occurs, it is necessary to consult a doctor in time and choose medication under the guidance of a physician’s diagnosis, and not to use medication on one’s own in order to avoid delaying the condition.