The indications for transurethral ureteroscopic pyelolithotripsy are mid-ureteral stones, lower ureteral stones, X-ray negative ureteral stones, inadvisable for extracorporeal lithotripsy, stones after failure of extracorporeal lithotripsy, difficulty in localizing the stones, and stone streets formed after extracorporeal lithotripsy. Transurethral ureteroscopic pyeloplasty laser lithotripsy is contraindicated in those with severe cardiopulmonary insufficiency, uncontrolled systemic bleeding disorders, uncontrolled urinary tract infections, severe narrowing of the urinary tract, and severe arthralgias that prevent them from achieving a surgical position. Risks include perforation of the ureter and renal pelvis, avulsion of the ureteral mucosa, and postoperative infection, which may lead to sepsis or even infectious shock in severe cases. Common complications include ureteral stricture and hematuria. If you have urinary stones, it is recommended that you consult a regular hospital as soon as possible for early treatment under the guidance of a professional doctor.