Patients with bile duct stenosis need to go to the hospital for examination and diagnosis in a timely manner, and carry out targeted treatment after clarifying the cause of the disease, and at the same time, pay attention to good dietary control in life, to prevent affecting the bile ducts to excrete bile, which will lead to adverse consequences. 1. Bile duct stenosis is usually considered to be caused by bile duct inflammation, bile duct injury, developmental deformity or biliary tract tumor, so when the patient has bile duct stenosis, he should go to the hospital in time for examination and diagnosis, and carry out targeted treatment after clarifying the cause of the disease as soon as possible. 2. Patients with bile duct stenosis also need to pay attention to avoid high-fat, high-cholesterol diet in daily life, due to bile duct stenosis leads to bile excretion is significantly affected, so should not consume too much fat food, and also need to quit smoking and alcohol, to avoid stimulation leading to cholangitis, resulting in the aggravation of bile duct stenosis. The diet of patients with bile duct stenosis should be low-fat, light and easy to digest, with small meals to prevent bile from being secreted in large quantities within a short period of time, to minimize the impact of diet on bile duct stenosis. Dietary control and lifestyle precautions can only play a supplementary therapeutic effect, the patient should also be timely examination and diagnosis, under the guidance of a professional doctor, combined with the personal situation of targeted treatment, to avoid delaying the condition.