If the pain of urination may be caused by urethral injury, urinary tract infection, urinary tract stones and other factors. 1. Urethral injury: If the urethra is damaged, pain will appear when urinating due to urine stimulation of the wound, usually accompanied by slight bleeding, patients should rest reasonably, usually will heal by itself. 2. Urinary tract infection: If the urinary system is infected with pathogenic bacteria, the pathogenic bacteria will frequently stimulate the mucous membrane of the urinary tract, damage the mucous membrane of the urinary tract, causing painful urination symptoms, usually accompanied by urinary urgency, urinary frequency and other symptoms. 3. Urinary stones: If there are stones in the urinary system, such as bladder stones or urethral stones, the stones may damage the bladder or urethra during urination, which may lead to painful urination. When patients have pain during urination, they should go to regular hospitals in time and give appropriate treatment and therapy under the guidance of doctors for early recovery.