The time needed for stone removal after lithotripsy is related to the size and hardness of the stone. Usually, it takes one day to remove the stone, and softer stones can be discharged on the same day. After lithotripsy, most of the stones can be broken, but the broken stones are still a whole, you need to drink more water and urinate more to flush out the stones, the amount of water should be 2,000-3,000 milliliters per day. Patients need to walk appropriately after lithotripsy to promote the movement of stones in the body, in order to promote their expulsion to the outside. After one day of lithotripsy, a small portion of the stone will start to be discharged, and then most of the stone will be gradually discharged, and usually the stone can be completely discharged in less than one day. For larger, harder stones, the lithotripsy may not break them up completely, and a second lithotripsy may be needed after a week. A second lithotripsy is required a week later when the stone is broken into smaller pieces. In addition, the process of stone removal will have a slight abdominal pain, some may also be accompanied by the phenomenon of hematuria, is normal, the patient can drink more water.