Vaginal pain can be caused by vaginal inflammation, endometriosis and damage to the vaginal mucosa. 1. Vaginal inflammation: inflammation of the local mucosa of the vagina is likely to cause local congestion and edema, accompanied by an increase in vaginal secretions, causing abnormal vaginal secretions or local burning and itching and other symptoms. 2. Endometriosis: the lesion can easily cause pain, which is aggravated during menstruation, and once it touches the lesion during sex, it will cause severe pain. 3. Vaginal mucous membrane damage: when having sex or inserting medicine, it may cause vaginal mucous membrane damage causing local pain. It is recommended that patients need to go to a regular hospital to receive examination, need to find the cause of the disease can be directed to the cause of the treatment, to avoid affecting the health of the body.