Urethral pain after risky sexual behavior, consider with urethritis (such as gonococcal urethritis, non-gonococcal urethritis), urinary tract infection or urinary tract stones and other reasons. 1. Urethritis: such as gonococcal urethritis, caused by gonococcal infection, direct transmission through sexual contact, initial urethral mucous membrane redness, swelling, itching or slight tingling, urethra can discharge purulent secretion; non-gonococcal urethritis, can be caused by mycoplasma, viruses, etc., and can be transmitted through sexual intercourse, urethral tingling, pain in urination and secretion of white thin fluid. 2. Urinary tract infection: Sex can cause pathogenic bacteria upstream infection, if caused by cystitis, manifested as urinary tract irritation signs of urinary frequency, urinary urgency, urinary pain. 3. Urinary tract stones: such as urethral stones, there may be dribbling urination with urinary pain, and in severe cases, perineal pain and acute urinary retention. Urethral pain, it is recommended to consult a doctor in time, under the guidance of the doctor treatment, and drink more water, diligent urination, usually avoid risky sexual behavior and unclean sexual intercourse.