The possible reasons for the stinging pain in the urethra after urination: 1, suffering from acute urethritis, at this time urination can appear in the urethra stinging pain, accompanied by burning sensation in the urethra, patients also accompanied by frequent urination, urinary urgency, incomplete urination and other feelings, serious patients may even appear red urine color. Treatment requires anti-infection treatment, and a routine urine examination is recommended to confirm the presence of infection before treatment. The medication can be chosen from 1 tablet of ciprofloxacin, 3 times a day. If the pain is heavy and affects the patient’s urination, oral pain medication such as diclofenac sodium extended-release capsule can be taken.2. With urethral stones, pain is produced during urination due to stone obstruction. In addition to pain, it may be accompanied by symptoms such as straining to urinate and difficulty in urination, further urological ultrasound or urethroscopy is recommended. If stones are present, they should be removed or lithotripsy should be performed if necessary. After the stones are removed, the painful urination symptoms may gradually disappear.