The stinging pain of urination after intercourse may be caused by damage to the mucous membrane of the urethra or urinary tract infection, stones and other factors. If the sexual life time is too long or more too violent, the penis long erection easily lead to urethral mucosa damage, urination through the damaged parts will appear pain, after a period of rest can be completely normal. Women’s vagina, urethra, anus is very close to each other, it is easy to bring bacteria into the urethra when having sex, leading to urinary tract infections, frequent urination, urinary urgency, urinary pain. Sex too long can lead to the displacement of stones in the urinary tract, the stone movement process can cut the mucosa of the urethra to appear urination pain. Therefore, after the coital pain in urination, if there is no obvious relief, it is recommended to go to the hospital for further consultation, improve the relevant examination, and then give appropriate treatment.