1. Avoid irregular diet: Because of the reduction of bile evacuation when people are hungry, and bile retention, bile concentration in the gallbladder and make the viscosity higher, easy to promote the formation and increase of gallstones. Therefore, to develop the habit of three meals a day, especially to develop the habit of eating breakfast, in order to reduce the occurrence of gallstone disease. 2. Avoid high-fat and high-cholesterol foods: the formation of gallstones is related to disorders of lipid metabolism and high cholesterol. People in the digestion of high-fat food, need a lot of bile involved, and patients suffering from cholelithiasis and cholecystitis, in the gallbladder contraction will produce biliary colic, if the stone obstruction in the bile duct, the pain is more intense, and accompanied by pale, nausea, vomiting, etc.. In patients with chronic cholecystitis, due to poor bile secretion, after eating high-fat food, there can be vague pain in the gallbladder area and symptoms of indigestion such as abdominal distention and fullness, nausea and anorexia. Therefore, patients with this disease should limit the intake of fat, which should be plant-based fat. Cholesterol is an important raw material for the formation of gallstones, and more than 90% of the main components of gallstones are composed of cholesterol. Limiting foods with high cholesterol content can adjust the cholesterol level in the body and prevent the formation of gallstones. Foods with high cholesterol content include animal offal, poultry eggs, crab yolk, squid, shrimp skin, etc. Patients with this disease should eat more oats, buckwheat, soybeans, mushrooms, onions, hawthorn, milk, seaweed and other cholesterol-lowering foods. 3. Avoid spicy fried food: spicy condiments such as chili, Sichuan pepper, etc. can increase the production of cholecystokinin, bile duct mouth sphincter tension can not relax, bile outflow is not smooth, so it should be prohibited. Deep-fried fire baked food, at high temperatures produce toxic substances, can stimulate the bile ducts, causing biliary colic, should also be prohibited. 4. avoid eating gas-producing food: gallstone disease and chronic cholecystitis patients, usually accompanied by reduced digestive function, and often aggravated by gastrointestinal distension. Therefore, beans, sweet potatoes, taro, garlic, leeks and other foods that can easily cause flatulence should be used with caution. 5. gallstone disease and cholecystitis patients, to develop the habit of regular bowel movements, to maintain the normal function of the gastrointestinal tract, to reduce the onset of this disease is very good.