For adult stones of different composition, in addition to drinking a lot of water, the following individualized measures should be applied: 1. calcium oxalate stones: avoid spinach, parsley, asparagus, strawberries, plums, strong tea, chocolate and various dried fruits (walnuts, chestnuts, peanuts, etc., the harder the texture, the more oxalic acid it contains). 2, calcium phosphate stones: It is not advisable to drink alkaline drinks, such as various colas, etc. Limit salt to less than 5 grams per day and avoid MSG. Significantly limit meat, eggs and other high-protein foods. 3. Uric acid stones: Avoid eating animal offal and alcohol; limit meat, fish and shrimp to no more than 100 grams per day; eat less mushrooms and beans. The purine content in eggs and milk is very low, can be consumed to supplement the body’s protein needs. 4, magnesium ammonium phosphate stones: that is, infected stones, pay attention to personal hygiene, to prevent urinary tract infection. 5, cystine stones: recurrence rate is very high, should be strictly limited to meat, eggs, peanuts and legumes. Rice should be the main food and more vegetables and fruits should be eaten. Follow medical advice to use medication for life. Stone composition analysis is a method to confirm the nature of stones and is an important basis for developing stone prevention measures. Therefore, composition analysis should be performed on stones that are naturally expelled, lithotripsy or surgically removed.