If a couple has not had intercourse for a long time, and bleeding occurs after intercourse, it may be caused by the following reasons. The first reason is that the action of sex is relatively rough, so it leads to the vulvar skin and mucous membrane or the local mucous membrane of the vagina, and there is a broken phenomenon that can lead to bleeding phenomenon. It is recommended to go to the hospital for examination to know the bleeding site, if necessary, if the bleeding is much, need to give pressure to stop bleeding. The second reason, because the cervix localized contact bleeding, in the clinic the most common reason is caused by early cervical cancer, it is recommended to do cervical cancer screening, according to the results and then give appropriate treatment. The third reason is that there are polyps or chronic inflammation in the cervix, which leads to localized mucous membrane breakage and causes capillary rupture, resulting in bleeding. If there is inflammation, actively anti-inflammatory treatment, if there are polyps, it is recommended to do surgery 3-7 days after menstruation.