Ureteroscopic lithotripsy can be done for 23mm*10mm stones in the upper left ureter. The left upper ureter 23mm * 10mm stone, the stone is relatively large, need to do surgical treatment, the more commonly used way is ureteroscopic lithotripsy, for the upper ureteral stone is usually taken to ureteroscopy lithotripsy. Ureteroscopic lithotripsy, take the retrograde route through the urethra without incision, in the ureteroscope under the guidance of the peep precision lithotripsy, the stone will be broken, the use of stone mesh baskets or lithotripsy forceps to take out the stone. After ureteroscopic lithotripsy and lithotripsy, a catheter needs to be kept to observe the urine output, and bladder irrigation is performed at the same time, and care should be taken not to hold urine. Left upper ureter 23mm * 10mm stone, it is recommended to seek medical treatment, cooperate with the physician to choose the appropriate surgical treatment, so as to avoid delaying the condition.