Kidney stones are a lifelong susceptible disease. Patients with stones are still susceptible to stones in the future even after successful surgery or conservative stone removal, which is closely related to their physical condition and living habits. Kidney stone diet pay attention to eat less calcium food, less salt and less food containing oxalate, but drink more water. 1, beef, mutton can not eat more: beef, mutton contains purine, easy to break down into uric acid, is one of the components of the formation of stones. 2, rich in vitamin C food can not eat more: vitamin C in the body’s metabolic process to generate oxalic acid, promote the formation of stones. 3, food containing calcium can not eat: calcium is one of the main components of stones. 4, salt can not eat more: salt and calcium in the body has a synergistic effect, and can interfere with the metabolic process of kidney stone prevention and treatment drugs. 5, containing oxalate vegetables can not eat more: because oxalate will combine with the body’s calcium, the formation of calcium oxalate and deposited as stones. Green vegetables contain more oxalate, especially the highest content in spinach, so kidney stone patients should eat less spinach. 6, drinking water can not be less: every day to drink more than 3500 ml of water, to increase the amount of urine, urine volume increased crystals will not form stones and deposition. 7, eat less seafood food.