Ursodeoxycholic acid capsules are a common medication in life to treat biliary lesions and are indicated for gallbladder cholesterol stones and biliary liver diseases such as primary biliary cirrhosis. From this perspective, it has some hepatoprotective effect. Usually, ursodeoxycholic acid capsules can facilitate the biliary tract, and because ursodeoxycholic acid capsules contain ursodeoxycholic acid, it can accelerate the excretion of bile, reduce biliary stasis and thus reduce the symptoms caused by biliary obstruction, which can indirectly reduce bilirubin to protect liver function, so ursodeoxycholic acid capsules can protect the liver. If patients experience adverse conditions such as liver function impairment while taking ursodeoxycholic acid capsules, they need to be observed for the presence of other pathological factors. Ursodeoxycholic acid capsules need to follow the dosage and avoid taking large amounts for a long time, otherwise it may produce certain side effects, such as gastrointestinal disorders, patients may experience dilute stools, diarrhea, etc. Individual use may cause symptoms such as pain in the right upper abdomen or allergy. If any of the above-mentioned adverse conditions occur, the drug needs to be discontinued in time and changed to other drugs as prescribed by the doctor. If patients have abnormal liver function, they should also pay attention to their daily routine, avoid staying up late, drinking alcohol and other undesirable conditions, and maintain a relaxed mood and a light diet to help their health.