Lithotripsy generally refers to the surgery to smash kidney stones, there is no absolute contraindication food after surgery, but should eat less high calcium, high purine, high oxalic acid and other categories of food, such as milk, animal offal, bamboo shoots and so on. 1. High calcium: Kidney stone patients have abnormal metabolism, if they consume too much calcium again, it may affect the stone discharge and cause the recurrence of kidney stone. Therefore, after lithotripsy surgery, it is recommended that patients reduce the consumption of milk, soy products, seaweed and other high-calcium foods. 2. High purine: purine will be broken down into uric acid in the body, and uric acid is one of the reasons for the formation of stones, if the patient continues to consume excessive purine after lithotripsy, it may also lead to poor surgical results or recurrence of stones and other conditions. 3. High oxalic acid: If the patient’s body for calcium oxalate stones, also pay attention to not eat too much oxalic acid-rich foods, such as bamboo shoots, beets, grapes and so on. Avoid excessive intake of oxalic acid leads to recurrence of the condition. Specific foods to avoid are related to the types of components of kidney stones, so you can communicate with your treating doctor and adjust your diet according to the doctor’s advice.