Cholecystitis and cholelithiasis often coexist in people above middle age, especially in women who are obese and have many children. It often occurs after eating too much fatty food, and then suddenly appears severe biliary colic in the right upper abdomen, the pain may radiate to the right shoulder, sometimes the patient rolls on the bed in pain, face sweating, and may be accompanied by nausea, vomiting, high fever, chills and other symptoms. The prevention and treatment of cholecystitis and cholelithiasis is closely related to diet. Limiting the excessive intake of fat is a dietary principle that patients with cholecystitis and cholelithiasis must adhere to for a long time. Since the formation of gallstones is related to high cholesterol in the body, foods containing high cholesterol such as egg yolk, fish roe, brain marrow, liver, loin and fatty meat must also be eaten sparingly. All kinds of alcohol and stimulating food, or strong condiments, can promote the production of cholecystokinin, enhance the contraction of the gallbladder, so that the bile duct mouth sphincter can not be relaxed in time to flow out of bile, may cause gallstone disease, acute attacks of cholecystitis, should be contraindicated. Vegetable fats and oils have a beneficial effect on the gallbladder and can be avoided in the remission period. During the acute attack of cholecystitis and cholelithiasis, it is best to fast for 1-2 days and rely on infusion to supply nutrition. As the condition improves, it is still advisable to eat less and more meals to avoid the gallbladder being affected by excessive food stimulation. Less dregs food should be selected, vegetables must be cooked or made into vegetable puree, often drink water and beverages to dilute the bile and promote the flow of bile. Ensuring smooth bowel movements can reduce symptoms and facilitate recovery from the disease. In addition, colds, anger and other adverse factors can trigger biliary tract diseases, so it is important to pay attention to life and avoid irritation, anger and depression and other emotional stimulation.