Most people consider UTIs, urethral calculi, prostatitis and other conditions to be the cause of the stinging pain after urination. 1. Urethritis: Stabbing pain after urination may also be caused by urethritis, which is related to lack of hygiene or bad dietary habits. Patients should drink more water and urinate more often. Sexual intercourse should be avoided during treatment. 2. Urethral calculi: Urethral calculi may present with stabbing pain after urination, accompanied by persistent pain in the urethra, bleeding from the urethral opening, or accompanied by abnormal urination. It is necessary for the patient to undergo urethroscopy and then be diagnosed by a professional doctor. 3. Prostatitis: prostate pain is one of the main causes of painful urination, due to the prostate gland congestion and pressure on the urethra, thus causing the phenomenon of stabbing pain after urination. Patients can actively treat the primary disease, can relieve the symptoms.