A few hours after the end of coitus there is bleeding considerations and cervical erosion, cervical polyps, gynecological inflammation, sex life action is too violent and other factors related. 1. Cervical erosion, cervical polyps: for women with cervical erosion, cervical polyps, due to the local cervical tissue squamous epithelium outside or vascularized redundancy formation, sexual life may come into contact with the local tissues, which will cause a small amount of bleeding. 2. Gynecological inflammation: If the patient has a combination of vaginitis and other gynecological inflammation, due to the local tissue congestion and edema, capillary permeability increases, the friction caused by sexual intercourse may damage the blood vessels, which will lead to a small amount of vaginal bleeding. 3. Sexual action is too violent: If the male action is too hard during sex, it may damage the vaginal mucosal tissue, so there will be vaginal bleeding. For women who have bleeding a few hours after intercourse, it is recommended that they go to the gynecology department of a regular hospital to get a clear picture of the cause of the problem and then actively treat it under the guidance of the doctor.