Generally speaking, for people who want to urinate as soon as possible after surgery, they can drink more water and infuse saline as appropriate. 1. Drink more water: after the postoperative people in the anesthesia drug performance, you can drink a small amount of water, to be gastrointestinal function recovery, you can appropriately increase the amount of water, and for the insertion of urinary catheters, more water can increase the urine on the urinary catheter flushing, reduce bacterial infection. 2. Saline infusion: for postoperative people, in addition to the infusion of drugs needed after surgery, if the patient has the need to urinate as soon as possible, with the infusion of saline, which can be as soon as possible to urinate. Postoperative people should follow the doctor’s instructions for care and treatment, which is conducive to the recovery of the condition.