Generally, the urinary catheter is removed first after surgery and urination is observed for 2 weeks, and then the fistula is removed if urination is clear. The time to remove the urinary catheter is 4 weeks after surgery, and the patient will experience some discomfort when urinating on his own. This is usually caused by the fistula. Specific common discomfort are as follows: a. Pain after urination Clamp the fistula, urinate by yourself, and feel pain in the urethra or lower abdomen at the end of urination. This postoperative discomfort is normal. Mostly due to irritation of the urethral orifice and bladder triangle by the head of the fistula. The symptoms will be relieved slowly and will disappear after the removal of the fistula. The frequency of urination and urgency of urination increases, and the urge to urinate afterwards. You can’t hold urine and you have an urge to urinate. This is also normal and is mostly due to the irritation of the fistula. The symptoms will disappear after the fistula is removed. Third, blood in the urine or blood urine Mostly at the end of urination, there is a little blood or light red blood urine. It is also normal and will be relieved or disappear after removal of the urinary catheter.