Analysis: Hello; the causes of bleeding after intercourse:First; rough behavior may damage the mucous membrane of the vagina or the skin of the vaginal opening, causing bleeding, usually fresh blood. Two is; cervical diseases, such as cervical erosion and cervical cancer, if bleeding after intercourse occurs repeatedly and many times, and has nothing to do with posture, you must go to the hospital for examination and early treatment. Thirdly, when menstruation has just ended, as the vagina and uterine lining have just been repaired, sexual intercourse can cause bleeding, which is a normal situation. Advice: Rest and rest, and pay attention to keep clean, after a few days should be good, if a long period of time or feel strange, it is recommended to go to the hospital to check whether there is a gynecological inflammation may be. Symptomatic treatment, I wish you health.