If a polyp develops in the vaginal opening, it is often clinically due to the following reasons. The first one is that there was a side cut during vaginal delivery. Inflammatory reactions develop during the healing process of the incision, which can stimulate the tissue to proliferate and form polyps, which are clinically recommended to be surgically removed. The second reason is that the vaginal opening or the vulva has a history of trauma, there will also be a local inflammatory reaction, resulting in tissue proliferation, and then polyps. It is recommended to pay attention to keep the vulva clean, especially pay attention to the hygiene of sexual life during menstruation, it is recommended to change sanitary napkins diligently during menstruation, and do a good job of vaginal cleanliness before and after sex, so as to avoid the production of local inflammation. In addition, if you have a vaginal delivery with a side-cut wound, you must scrub the vulva twice a day with iodophor, and if necessary, you can use physical therapy, such as far-infrared ray to irradiate the local area, to promote wound healing and reduce inflammation.