If you have pain inside the vagina during intercourse, it is often caused by local inflammation of the vagina, when the local inflammation of the vagina will lead to mucous membrane congestion, edema, and the friction of sex will aggravate the congestion and edema, so there will be pain. If you have pain in your stomach during intercourse, it is often caused by chronic inflammation of the pelvis, due to chronic inflammation of the pelvis leading to a decrease in tissue elasticity, so when you have intercourse, it will stimulate pain in the lower abdomen. Lower abdominal pain can also occur after exertion and decreased resistance in daily life. A preliminary diagnosis can basically be made through gynecological examination, and it is recommended that anti-inflammatory treatment be given in a timely manner. In addition, lower abdominal pain during intercourse may also be caused by endometriosis, in which patients often have more severe dysmenorrhea, and it is recommended to give appropriate treatment according to the results of the examination.