During the Holmium laser lithotripsy system treatment, the slim optical fiber is guided by the cystoscope and ureteroscope to reach the stone site through the urethra, and the doctor observes the shape, size, location and relationship with the surrounding tissues of the stone in the body through the TV monitor connected to the ureteroscope, selects the laser treatment power according to the location and characteristics of the stone, and then manipulates the laser controller outside the patient’s body to send Holmium laser to break the stones one by one. The holmium laser is used to break up the stones one by one, and the powdered stones are discharged from the body with the urine. The holmium laser has a shallow penetration of 0.3mm-0.4mm, which does not damage the tissues around the stones, and has a high safety, fast recovery and reliable efficacy. Indications: kidney stones, ureteral stones, bladder stones, urethral stones.