Kidney stones can be divided into calcium oxalate stones, uric acid stones, phosphate stones, cystine stones, etc. The dietary contraindications for various stones are also different. Avoid eating greasy, spicy, stimulating foods and hairy products, such as meat, animal offal, chili, leek, rooster, black tea, wine, coffee, cilantro, parsley, yellowtail, scallop, asparagus, pumpkin and fried and smoked foods. If possible to understand the composition of stone crystals, targeted food avoidance, the prevention and treatment of the disease is more beneficial. Avoid foods high in calcium such as milk, goat’s milk, and foods high in salt and vitamin D. Avoid foods with high oxalic acid content, such as spinach, bamboo shoots, tomatoes, amaranth, black tea, cocoa, etc. Uric acid stones Avoid foods with high purine content, such as animal offal, fatty meat, pig brain, chicken, scallop, yellow fish, shrimp, cocoa, coffee, etc. Vegetables containing glancing chin such as peanuts, chestnuts, spinach, cauliflower, mushrooms, etc. should also be avoided or eaten as little as possible, while avoiding a high protein diet to reduce the production of uric acid. Avoid foods with high calcium content, such as milk, egg yolk, shrimp, tofu, sesame paste and vegetables and fruits with high calcium content and high alkali value, etc. V. Cystine stones Avoid high protein foods. Patients with all types of kidney stones should avoid drinking alcohol and eating high-fat foods and hair products. Tip: To prevent kidney stones, the key is to arrange the diet reasonably.