Diet is appropriate for the cause of stones, stone composition to take appropriate measures. I. Calcium phosphate or magnesium ammonium phosphate stones: calcium salt stones should be limited to 500mg per day. In case of calcium phosphate stones, in addition to calcium, phosphorus should be limited to 1000-2000mg per day, and in case of hyperparathyroidism, calcium should be limited to 200-300mg per day, and foods with high calcium content include offal, beans, oysters and coarse grains. If it is calcium phosphate or calcium carbonate stones, eat more into acidic foods such as fish, poultry, lean meat and fine grains every day. 1, avoid drinking high calcium drinks and eating high calcium food, such as milk, soy, tofu, fresh vegetables, dairy products, etc. 2.Forbid to eat foods with high phosphorus content, such as animal protein, animal offal and brain marrow, etc. 3.Low sodium diet and low vitamin D diet can reduce the absorption of calcium from food, which can also reduce the possibility of forming urinary tract stones. 4, with ammonium chloride and other drugs, and can take oral phosphorus binding agents to reduce the absorption of phosphorus in the body, and drink a lot of water. For small stones and good health, physical activity, bending and tapping on the kidney area, or skipping rope can be used to promote stone discharge. Second, calcium oxalate stones: Where the urinary oxalate content exceeds 40mg/d, a low oxalate diet should be adopted, avoid taking large amounts of vitamin C. Take 5mg of folic acid and 610mg of vitamin B orally daily, and drink plenty of water to diuretic. Spinach, amaranth, chocolate, black tea, nuts and other foods rich in oxalic acid should be forbidden to be able to forbid vitamin C preparations. Eat more into alkaline food such as milk, vegetables, fruits, etc. Third, uric acid stones: should try to reduce the purine content in the diet, high purine food are: animal meat, fish, poultry, animal liver, kidney, brain marrow, cocoa, coffee, etc.. 1.Limit protein, the total daily amount according to 0.8-1.0g/kg body weight. 2.Increase fresh vegetables and fruits. It is best to consume a refreshing diet consisting of fruits, fruit juices and raw vegetables every 1-2d. 3.Low energy. Because patients are mostly obese body type, overweight, to should limit the energy supply, choose a low-energy diet to reduce weight. 4, food to cereal fine grains mainly. A small amount of meat to drink, within 100g per day, can eat fish, meat, shrimp, chicken, etc., twice a week. Celery and fruit can be eaten at will, eggs and beef within should be appropriate. Diet more into alkaline food. 5, forbidden to eat including pork and beef meat, pig liver, pig kidney and other animal offal, all kinds of gravy, thick gravy, sardines, dried beans, crab, etc.. Forbidden to eat lentils, peas, and other beans, cauliflower, lobelia and mushrooms. Alcohol and alcoholic beverages, strong tea, coffee, cocoa, etc. and strong spices and condiments are prohibited. Tetracystine stones: Limit foods containing methionine, such as eggs, poultry, fish, meat, etc. Limit animal-based acidic foods and eat more plant-based alkaline foods. If you have homocystinuria, you can adopt a low methionine diet. Drink plenty of water to keep the daily urine volume at 2000-3000ml.