Kidney stones are categorized as: 1, oxalate stones: mostly generated from food, some can also be generated by endogenous mechanisms. The diet should abstain from vegetables containing high oxalic acid, such as spinach, amaranth, water spinach, green garlic, onions, wild rice, all kinds of bamboo shoots and so on.　　2, phosphate stones: due to the formation of alkaline urine, so we should eat more acidic food, while limiting high calcium-containing foods. Into acidic foods such as livestock and poultry meat, fish and shrimp, eggs, cereals and peanuts.　　3, urate stones: is caused by hyperuricemia, so should be prohibited from eating high purine-containing foods, such as animal offal, thick broth, mushrooms, peas, longbeard, sardines, anchovies, fish roe and so on. Should eat more fruits and vegetables, drink more water to reduce the concentration of uric acid.　　4、Calcium salt stones: it is advisable to limit the calcium-containing milk, cheese, shrimp and so on. Should eat more acid-forming foods, such as meat, poultry and eggs, so that the urine is acidic and drink a lot of water.　　5, cystine stones: pay attention to limiting methionine and acidic foods (animal food) more alkaline food (plant food) so that the urine is alkaline and drink a lot of water garlic, onions, wild rice, all kinds of