Mild dilatation and strengthening of intrahepatic bile ducts should be treated according to the cause. Common causes include cholecystitis, gallstones, and hepatocellular carcinoma. Commonly used treatments include general treatment, physical therapy, medication and surgery. 1. Cholecystitis: Eat a light diet, avoid greasy food such as fatty meat and doughnuts. Can be used with acupuncture and other physical therapy to relieve symptoms. Commonly used drugs include antispasmodic and analgesic drugs such as atropine, antibiotics such as penicillin, cefuroxime sodium, etc.; choleretic drugs such as ursodeoxycholic acid. If the condition worsens or combined with purulent cholangitis, etc. should be early surgical treatment. 2. Gallstones: regular diet, light diet. Acupuncture and acupressure can also relieve some symptoms. Acute phase with pain can use non-steroidal anti-inflammatory drugs such as diclofenac sodium; antispasmodic drugs such as scopolamine and the above mentioned choleretic and anti-inflammatory drugs. Symptomatic gallstones should be treated with surgery as early as possible, such as minimally invasive surgery. 3. Hepatocellular carcinoma: when accompanied by abnormal liver function, hepatoprotective drugs such as diammonium glycyrrhizinate can be used. Targeted therapies such as sorafenib and lenvatinib are commonly used. Surgical methods such as surgical resection and liver transplantation. Mild dilatation and strengthening of intrahepatic bile ducts may have other causes such as congenital choledocholithiasis, etc. It is recommended to improve the examination to clarify the cause of the disease and standardize the treatment under the guidance of the doctor. The above drugs should be used under the guidance of a doctor, avoid self-medication.