Also known as grass cassia, sheep’s horn, sheep’s horn bean, horse’s hoof, is the mature seed of the legume cassia. It is slightly cold in nature and has many effects such as laxative and laxative, clearing the liver and brightening the eyes, etc. It is a kind of traditional Chinese medicine used more by the common people, bitter in taste and belongs to the Chinese medicine of clearing heat and dipping fire, and belongs to the liver and large intestine meridians. It is mainly used clinically for the treatment of painful red eyes, dizziness, headache and dizziness, constipation, and headache and dizziness caused by hyperactivity of liver yang and inflammation of liver fire. Modern pharmacological studies have shown that the pharmacological effects of cassia seeds are: 1, eye protection, bright eyes, cassia seeds can activate lactate dehydrogenase, so that its activity is significantly increased, increasing the content of adenosine triphosphate, the optic nerve has a protective effect, can effectively prevent myopia and delay the development of cataract; 2, hypotensive effect, cassia seeds can improve brain microcirculation, increase blood flow, for the control of blood pressure is more effective; 3, hypocholesterolemic, hypolipidemic effect, cassia seeds can improve brain microcirculation, increase blood flow, for the control of blood pressure is more effective; 3, cholesterol, hypolipidemic effect, cholesterol, hypolipidemic effect. 3, cholesterol, lipid-lowering effect, cassia seeds, can prevent hyperlipidemia, but also for weight loss effect; 4, antibacterial, anti-pathogenic microbial effect, cassia seeds on staphylococcus, typhoid, S. paratyphi, E. coli, diphtheria bacillus have inhibitory effect, often drink cassia seeds water, can reduce infection; 5, enhance immune effect, cassia seeds can enhance the body’s defense ability, antagonize the mitomycin C inhibition The role of anti-tumor, cassia seeds on tumor cell alcohol inhibition; 7, the role of laxative, cassia seeds can be very good to achieve laxative effect. In addition to these pharmacological effects, cassia seeds actually have anti-platelet agglutination, diuretic effect, liver protection, hepatoprotective effect. The cassia seeds are so good that we should usually use cassia seeds to make water to drink, which is good for health.