In ancient China, silymarin was used to treat hepatobiliary diseases. The clinical results showed that silymarin could obviously protect and stabilize the liver cell membrane; It has protective and therapeutic effects on various types of liver injury caused by carbon tetrachloride, thioacetamide, muscarine, Phalloidine, Crotaline and other liver poisons, and has a certain preventive effect on the elevation of alanine aminotransferase caused by carbon tetrachloride. It is suitable for the treatment of chronic persistent hepatitis, chronic active hepatitis, early cirrhosis, hepatotoxicity and other diseases. In addition, this product also has strong antioxidant activity, can remove free radicals in the body, delay aging, has been widely used in medicine, health products, food and cosmetics and other fields.