Abstract:Objective: To improve the treatment of renal and ureter stones with ESWL. Methods: 3 876 cases of renal and ureter stones, in the past 15 years, were analyzed and summarized, concered with the cases choose, crushed tones, removed urinary stones and complications prevention. Results: Of 3 876 cases, 3 703 cases were crushed successfully. Success rate is 95.5%, Remaining rate 3.5%. 173 cases were inffective, where severe complications happen. Such as ureterolith street, urinary system infection, endotoxin shock, liver laceration and hemorrhea shock etc. Conclusion: ESEL is still the first cure method in renal and ureter stones. But attention should be paid to the cases chosing, particularly complex renal stones and complications of crushed stones.