The efficacy of Semen Cassiae is 1, and it has the functions of clearing liver, purging fire, expelling wind and dampness, tonifying kidney and improving eyesight. Soaking cassia seed in water has obvious effect on relieving eye discomfort, blurred vision, glaucoma, cataract and other problems. It can also help relieve eye fatigue. 2. Cassia seed also has the effect of relaxing bowels. Cassia seed alone can treat abdominal distension and abdominal pain, yellow and greasy tongue coating or postpartum blood loss. Soaking cassia seed in water can also help prevent human aging, relieve gastrointestinal discomfort and prevent colon cancer and other diseases. 3. Cassia seed also has the effects of lowering blood pressure, reducing blood lipid, lowering cholesterol and contracting uterus, and can inhibit the increase of serum cholesterol and the formation of atherosclerotic plaques, which can be used to treat hyperlipidemia, and fatty liver has obvious effects on preventing and treating arteriosclerosis and hypertension. However, women should not drink or eat cassia seed excessively for a long time. Suitable for people with hypertension, hyperlipidemia, weight loss and need to improve insomnia.