First, drink more water, drink 2500-3000ml/day, in summer, you can increase the amount of water according to the amount of sweating, maintain the urine volume of 2000-3000ml/day or more. Weakness or poor gastrointestinal function appropriate to reduce. Drink water as evenly distributed throughout the day as possible, and drink water at night. Second, adjust the diet according to the results of stone composition analysis: If you can collect the discharged stones or stones removed by incision, stone composition analysis is recommended because the causes of stones with different compositions are different, so there are still differences or even conflicts in the diet. In addition, if there is no stone analysis, pay attention to the uric acid and urine PH value, you can also get some reference. Qin Chao, Department of Urology, The First Affiliated Hospital of Nanjing Medical University Uric acid stones: this type of patients may eat too well. Limit protein intake and consume more fresh vegetables and fruits. Eggs and milk can be consumed appropriately. Pay attention to control the amount of the following foods: pork, beef, duck, goose, animal offal, salted or fried food, all kinds of seafood and river food, etc., spinach, all kinds of beans, wine (pay special attention to drink less), strong tea, coffee, cocoa, etc. If high blood uric acid has been detected, patients with hyperuricemia can take allopurinol orally. Oral sodium bicarbonate can alkalize the urine. Calcium phosphate and magnesium ammonium phosphate stones: alkaline urine is prone to the formation of magnesium ammonium phosphate stones (urine pH > 7.2). A low calcium phosphate diet and acidic foods are advisable. Many of these stones are caused by urinary tract infections, such as urine culture and drug sensitivity test results should be enhanced anti-infection treatment, should try not to eat all dairy products, lemon juice with phosphate, cola, coffee. Oral amine chloride can acidify the urine. Calcium oxalate stones: These patients may eat on the vegetarian side. Avoid radish, spinach, amaranth, celery, lettuce, bamboo shoots, potatoes and soy products, cocoa, chocolate, black tea, plums, cola, beer; foods high in vitamin C such as citrus, lemon, tomatoes, strawberries, etc.; oral vitamin B6 and magnesium preparations are beneficial in the prevention and treatment of atopic hyperoxalate urolithiasis.