Choose easily digestible food after surgery. In the near future after surgery, try to reduce the intake of fat and cholesterol, do not eat or less eat fatty meat, fried food, animal offal, etc. If you need to use some olive oil to cook food due to taste. To increase the protein-rich food to meet the body’s metabolic needs, such as lean meat, aquatic products, soy products, etc. Eat more foods rich in dietary fiber and vitamins, such as fresh fruits and vegetables, etc. Develop the habit of eating regularly and in small quantities to adapt to the physiological changes after cholecystectomy. The symptoms of indigestion will last for about six months. As time goes by, the common bile duct will gradually expand and will partially replace the role of the gallbladder, and the symptoms of indigestion will be slowly relieved. At this time, the diet can also be gradually over to normal. At this time, it is advisable to maintain a low-fat, low-cholesterol and high-protein dietary structure, and avoid eating brain, liver, kidney, fish and fried food, and avoid eating fatty meat and drinking alcohol to avoid affecting liver function or causing bile duct stones. The diet of bile duct cancer should include fresh vegetables, eggs and steamed fish, and should not eat fried, deep-fried and high-fat foods, and should not consume red dates, cinnamon and white fungus tonic which are easy to cause abdominal distension. It is advisable to eat more foods with anti-infection and anti-cancer effects: buckwheat, mung bean, rape, toon, taro, white onion, bitter melon, lily, marjoram, ground ear, carp, water snake, shrimp, mud fish, jellyfish, yellow catfish, needlefish. Avoid animal fat and greasy food.