Painful urination after intercourse may be physiological factors, urethral inflammation, urinary tract obstruction and so on. 1. Physiological factors: the male penis spongy body is in a state of congestion and edema after intercourse, female urethra if stimulated by congestion, there may be symptoms of urinary pain. Generally do not need to deal with, can be recovered by themselves. 2. Urethral inflammation: If you don’t pay attention to hygiene during intercourse, the mucous membrane of the urethra is infected by pathogens leading to urethral inflammation, which will be manifested as pain in urination after intercourse, difficulty in urination, change in urine color and other symptoms. 3. Urinary tract obstruction: urinary tract obstruction caused by urinary stones, foreign bodies, tumors, etc., will lead to increased pressure during urination, muscle spasms, pain in urination after intercourse. Painful urination after intercourse may also have other causes, and patients are advised to go to the hospital in time.