The generic name of Yusufo is Ursodeoxycholic Acid Capsules, and its treatment course is decided according to the cause of the disease and the condition, 6 months is usually a course of treatment for patients with gallbladder cholesterol stones, and 10~14 days for patients with cholestatic reflux gastritis. Ursodeoxycholic acid capsule can reduce the concentration of cholesterol in bile and dissolve cholesterol stones, which is commonly used in the treatment of gallbladder cholesterol stones and bile reflux gastritis. For cholesterol patients, it usually takes 6~24 months, every 6 months as a course of treatment, ultrasound or X-ray examination to determine, take 12 months after the stone does not see smaller, stop taking. For patients with bile reflux gastritis, a course of treatment is usually 10~14 days, after which the decision of whether to continue to take the medication will be made in accordance with medical advice. Ursodeoxycholic acid capsule may cause diarrhea, abdominal pain, allergy and other adverse reactions, for acute cholecystitis, biliary obstruction, frequent biliary colic attacks, ray impenetrable gallstones calcification, impaired gallbladder function, the first trimester of pregnancy and other patients are prohibited to take. Ursodeoxycholic acid capsule should be taken in strict accordance with medical advice, not self-medication, so as not to delay or even aggravate the condition.