If men have pain during urination, it is recommended to go to the hospital for further examination to clarify the possible causes. 1. Infections of the urinary system, especially cystitis or urethritis, may cause pain in the small abdomen or pain in the urethra during urination, and may be accompanied by cloudy urine or flocculent or feathery sediment during urination. 2. Severe patients may even have a change in body temperature and need to undergo routine urine and urine culture tests to further rule out the presence of infection.2. Stones in the urinary system, such as urethral stones or stones in the lower ureter, can cause increased pain during urination, which can be accompanied by changes such as urinary frequency, urinary urgency or flesh-eye hematuria, etc. It is recommended that further ultrasound examinations of the urinary system be performed to rule out the presence of stones.3, Sexually transmitted diseases, often seen after unclean sexual contact, can appear painful urination, accompanied by increased secretions in the urethra or redness and swelling of the urethral orifice, redness and swelling of the glans foreskin and other changes, further testing of related infectious diseases is required to confirm the diagnosis.