Extracorporeal lithotripsy of ureteral stones generally does not cause much kidney damage, but there is some damage. Extracorporeal lithotripsy has some damage to the kidneys, including bleeding, progressive damage to the kidneys, renal atrophy, and in some cases, even hematoma and kidney rupture are possible. Ureteral stone extracorporeal lithotripsy also has some damage to the organs around the kidney, so extracorporeal lithotripsy is not a completely non-traumatic treatment, patients and their families must pay attention to the need to find regular hospitals to do the appropriate treatment, and in the hospital to do the treatment should be paid special attention to follow the doctor’s instructions. It is also important to note that repeated treatment can not be carried out in a short period of time, the general routine treatment of ureteral stones or kidney stones extracorporeal shock wave lithotripsy interval of about 2 weeks, generally do 2-3 times or so, if the stone has not been broken, may be extracorporeal lithotripsy is not a very good method to consider the use of intracorporeal lithotripsy method.