The cause of heavy bleeding after intercourse is considered to be a physiological manifestation of menstruation or a bleeding phenomenon caused by lesions in the cervix, resulting in the rupture of superfluous organisms or blood vessels, most commonly cervical cancer or large cervical polyps. In the case of heavy bleeding after intercourse, you should go to the hospital gynecological examination ultrasound, while doing internal gynecological examination to confirm the specific cause of bleeding, consider menstruation does not require any treatment, in order to prevent infection caused by intercourse can be considered oral antibiotics; cervical polyps cause bleeding, should be timely surgery to remove the polyps, in order to achieve the purpose of stopping bleeding.