Ureteral stones include kidney stones, ureteral stones, bladder stones and urethral stones. Traditional open surgery is very traumatic and painful for patients, but minimally invasive treatment can now be considered. The front end can be turned so that it can enter most places where it is needed and there is nowhere for the stone to hide. Wherever the ureteroscope goes, the internal image can be transmitted to the monitor so that the surgeon can see the stone and the patient under semi-anesthesia can see the stone and the process of stone fragmentation. The ureteroscope reaches the stone and uses holmium laser to break up the stone. The large fragments can be removed and the small fragments can be discharged by themselves, which is more direct than extracorporeal shock wave lithotripsy and has an immediate effect. Lithotripsy. Ureteral flexible lithotripsy, you may be concerned about the following points? Post-operative hospitalization 1-2 days can be discharged stones below 2 centimeters, the treatment effect is better stones are too large (more than 2 centimeters or even larger), a lithotripsy can not be completely broken, the need for multiple surgeries isolated kidney stones, percutaneous kidney bleeding risk is large, soft mirror bleeding may be small, the effect mainly depends on the size of the stone spinal deformity or other difficult cases, depending on the condition to determine the mode of surgery.