Calcium oxalate stones: the most common, accounting for more than 80% of kidney stones, formed in acidic or neutral urine, the onset is mostly in young adults, more common in men. Low calcium and low oxalic acid diet is recommended. Eat less milk and dairy products, soy products, meat, animal offal (such as liver, heart, kidney, intestines, etc.), as well as chocolate, strong tea, sesame paste, egg yolk, mushrooms, spinach, shrimp, radish, celery, potatoes, etc.. Fiber in food can reduce the formation of urinary calcium, such as wheat bran bread, rice bran in bran food also has the same effect, effective for recurrent high calcium urinary stones, vitamin B1, vitamin B6 deficiency to increase urinary oxalic acid, should increase the food rich in such vitamins, such as cereals, dried fruits, hard fruits, etc. Calcium phosphate stones: account for 6-9% of stones, formed in alkaline urine, also more frequent in male young adults. The diet for calcium phosphate stones is the same as that for calcium oxalate stones. It is advisable to eat less meat, fish and bone broth among low phosphorus foods. Uric acid stones: account for 6% of stones, formed in acidic urine, dissolve when the urine pH value is greater than 6.7, more common in men. Magnesium tetraphosphate stones: 10% of stones, formed in alkaline urine, dissolve when the urine pH is less than 7.2, more common in women. Protein intake should be limited, total daily protein intake should be between 48-80 g (0.8-1.0 g/kg/day). Generally vegetables with leaves contain about 10 grams of protein per market pound, lean meats contain about 10 grams of protein per 50 grams, and cereals contain 35-60 grams of protein per market pound. To increase the amount of fresh vegetables and fruits to eat. Vegetables and fruits contain vitamin B1 and vitamin C. Their final metabolites in the body are alkaline, and uric acid is easily dissolved in alkaline urine, so it is beneficial to treatment. Drink more water: Regardless of the type of stone you have, the most important way to prevent it is to increase your water intake. Water dilutes the urine and prevents high concentrations of salts and minerals from accumulating into stones. The appropriate amount of water to drink is 2 liters of urine a day, even if it is enough. If you work in the hot sun all day, you need to drink more water.