The main causes of kidney stone formation are: i. Some foods may cause urinary stones, which are caused by excessive intake of certain stone forming ingredients in the diet. Second, excessive accumulation of oxalic acid, a large accumulation of oxalate in the body can lead to urinary stones. Purine metabolism abnormalities, some animal offal, seafood products, peanuts, beans, spinach contain more purine components, purine into the body needs to be metabolized, and its final metabolite is uric acid, uric acid can prompt the precipitation of oxalate in the urine, leading to stone formation. Fourth, too much fat intake, some animal meat, especially fatty pork containing greasy are some fatty food. Eat these more fat in the body, will inevitably increase the fat content, fat will reduce the intestinal tract can be combined with calcium, thus causing an increase in the absorption of oxalate. If once there is a malfunction of excretion, there will be more sweating, less water to drink, less urine, and urinary stones will form in this situation. If you suffer from urinary stones, it is recommended to visit the urology department of a regular general hospital, and you need to undergo lithotripsy treatment under the guidance of a physician. It is recommended not to believe in some partial prescriptions and secret recipes, and not to believe in some false advertisements to avoid being deceived.