Gallstone dissolving drug. It is mainly used for cholesterol type gallstones that are not suitable for surgical treatment, especially for floating cholesterol stones with basically normal gallbladder function, stone diameter of less than 15mm, X-ray and non-calcification, which have a high cure rate. It also has a certain therapeutic effect on toxic hepatitis, cholecystitis, primary sclerosing cholangitis and primary Chemicalbook cholestasis cirrhosis. To improve the therapeutic effect of interferon alpha on chronic hepatitis C. Diarrhea, rare constipation, allergic reaction, pruritus, headache, dizziness, stomachache, pancreatitis and bradycardia. It should not be used in patients with complete biliary obstruction and severe liver dysfunction and pregnant women.