Feeling burning pain in the same bed may be caused by vaginal inflammation, vaginal injury, pelvic inflammatory disease, endometriosis and other reasons. 1. Vaginal inflammation: when you have sex in the same bed, such as trichomonas vaginitis, vulvovaginal pseudomycosis, etc., due to inflammatory stimuli can make the vaginal mucous membrane congestion, erosion, etc., and there is burning pain in the same bed, but also accompanied by an increase in vaginal discharge, vulvar itching, etc., which can be diagnosed clearly through the examination of vaginal secretions. 2. Vaginal injury: when the action is too rough during sex, it will cause vaginal mucous membrane injury, and will also feel burning pain, gynecological examination can be clearly diagnosed. 3. Pelvic inflammatory disease: it can also cause burning pain after sex, persistent lower abdominal pain, increased vaginal discharge and other symptoms, which can be diagnosed through gynecological examination, vaginal discharge and clinical manifestations. 4. Endometriosis: when the lesion involves the rectal uterine pit, it can cause pain during sex, mostly deep dyspareunia, most obvious before menstruation, and there can be progressive aggravation of secondary dysmenorrhea, infertility and other symptoms, combined with the history, ultrasound, laparoscopy, etc., can assist in the diagnosis. When coitus feels burning pain, you can go to the hospital to find out the cause and deal with it in time.