Patients with intrahepatic bile duct stones should pay attention to the following: First, try to reduce the intake of fats, especially animal fats; second, the formation of a considerable number of intrahepatic bile duct stones is related to high cholesterol levels and metabolic disorders in the body, so it is necessary to limit foods high in cholesterol, such as eggs and the organs of various meat animals; third, food should be prepared by steaming, boiling, or stewing; fourth, increase the supply of fish, lean meats, soy products, and fresh fruits and vegetables.