The most common cause of bleeding during sex is local lesions of the cervix, such as chronic cervical inflammation, cervical polyps, cervical epithelial lesions, and early stages of cervical cancer, which can clinically lead to bleeding during intercourse, also called contact bleeding. In this case, it is best to be clinically screened for cervical cancer and then given the necessary treatment according to the results. In addition, it is also necessary to exclude bleeding due to inflammation of vaginal mucosa or contact with superfluous organisms of vaginal mucosa. It is recommended to do gynecological examination and routine laboratory tests of white belt, mainly to exclude the possibility of vaginal inflammation and give necessary treatment according to the results. Patients who bleed during intercourse must keep the area clean. In case of heavy bleeding, it is recommended to give treatment to stop the bleeding.