Generally the secondary damage of upper ureteral extracorporeal lithotripsy is not significant. However, some patients will have minor pain, bleeding and other complications, timely treatment has no effect on the body. Extracorporeal lithotripsy refers to extracorporeal shock wave lithotripsy, which is a routine clinical treatment for urinary stones. Generally speaking, the harm of extracorporeal shock wave lithotripsy on the upper part of the ureter is not big, the safety of the treatment is high, and the technology is more mature, so patients do not need to worry too much, and actively cooperate with the doctor can be. However, some patients may have complications after ECT, such as pain, bleeding, including subcutaneous bleeding, hematuria, etc. Usually, the symptoms are mild and do not require special treatment, and can be cured after a period of time; if the symptoms are more serious, the prognosis is generally good after active treatment, and will not cause too much impact on the health. To summarize, patients who undergo extracorporeal shock wave lithotripsy need to follow up on time, and if there is any discomfort, they need to be treated under the guidance of the doctor.