The main reason for not being able to urinate after circumcision is that the gauze dressing is too tight, and the dressing should be appropriately loosened and the elastic bandage should be fixed outside to reduce the pressure on the urethra, and normal urination can be resumed in general. There are also some patients who can not urinate after surgery, not simply gauze dressing too tight, but the pain caused by not dare to urinate. In addition, there are also because of the position of the reason can not urinate, mostly in children, for this case we should be appropriate use of analgesic drugs, let the patient came to the bathroom to listen to the sound of water to induce its urination, generally can solve the problem of can not urinate.