Feeling urine holding but not coming out after hemorrhoid surgery may be caused by urinary retention, but it can not be ruled out due to spasm of the urethral sphincter, urinary tract infection and other factors. 1. Urinary retention: when patients take hemorrhoid surgery, it may irritate the local tissues, leading to transient urinary retention, making patients appear to feel urine holding but not coming out. 2. Urethral sphincter spasm: hemorrhoid patients in taking surgery, the anesthetic effect has not completely disappeared, may lead to spasm of the urethral sphincter, there is a desire to urinate, but the phenomenon of urine. 3. Urinary tract infection: patients after surgery, do not pay attention to personal hygiene, may lead to bacterial infection, which appears to have a desire to urinate, but the phenomenon of urine does not come out. Hemorrhoid patients after surgery feel urine holding but not out of urine, may also be related to other factors, based on a symptom alone can not determine the specific cause, it is recommended to consult a doctor in a timely manner to check, clarify the cause of the disease, and comply with the doctor’s advice to give treatment.