Men after sexual intercourse, there are several reasons for penile pain, mainly the following: 1, insufficient lubrication: inadequate preparation before sexual intercourse, foreplay is not enough, resulting in insufficient vaginal secretions of the woman, it will be difficult to rub the penis, pain, and even trauma; 2, too frequent sex: frequent sex will lead to frequent vas deferens, seminal vesicles, urethra and other organs congestion, edema, smooth muscle contraction during ejaculation, it will cause pain; 3, disease factors: there are reproductive and urinary infections, such as urethritis, cystitis, prostatitis, vesiculitis, epididymitis, etc. 3, disease factors: the reproductive system and urinary system infections, such as urethritis, cystitis, prostatitis, vesiculitis, epididymitis, etc., when ejaculation will make muscle contraction on the inflammatory lesions squeezed, will cause pain. It is advisable to have sufficient foreplay before sexual intercourse, wait for the woman’s vagina to be wet before inserting, keep the pubic area clean and avoid having sex too often. If the pain is still not relieved after sexual intercourse, it is recommended to go to a regular hospital male department or urology department for examination as soon as possible to clarify the cause and treat the problem.