The reason for bleeding during intercourse two days after menstruation may be the following: a. bleeding during intercourse when suffering from cervical erosion is because the cervical erosion has columnar epithelial ectropion, and stimulation of the erosion surface during intercourse will cause a small amount of bleeding, which will automatically recover within three days. Second, cervical polyps can also lead to contact bleeding, two days after menstruation when the new endometrium has not been fully repaired, by external stimulation can easily occur again bleeding phenomenon, feasible gynecological internal examination to clarify whether the bleeding from the uterine cavity or cervical surface, if necessary, HPV, TCT test. If contact bleeding occurs, it should be treated actively. Cervicitis can be treated vaginally and cervical polyps can be removed. Colposcopy and, if necessary, cervical biopsy are also indicated for cervical lesions. It is best to have intercourse after three days of menstruation, when the endometrium has been repaired and there will be no adverse effects.