Painful coitus after cesarean section can be improved by using lubricants or enhancing caressing to promote vaginal lubrication, if combined with vaginitis, need to pause sex, first treat the inflammation after the pain can be relieved. Vaginal pain after cesarean section is usually caused by a decrease in vaginal secretions or vaginal inflammation. If it is due to a decrease in vaginal secretions, it can be improved by using lubricants or enhancing caressing. Cesarean sections are very damaging to women and are not suitable for sexual intercourse until the body has fully recovered. If it is due to vaginal inflammation, it is often accompanied by itching, redness and swelling of the vaginal opening, abnormal leukorrhea and other manifestations. At this time, it is not suitable for sexual life, and should first carry out routine examination of leukorrhea and treat vaginitis.