The most common clinical causes of belly pain during sex are the following: first, due to chronic pelvic inflammatory disease, due to chronic inflammation of the pelvic cavity resulting in decreased elasticity, when intercourse, stimulation causes increased congestion in the pelvic cavity, so it will cause pain in the belly; second, because the action during sex is too rough, resulting in uncoordinated contraction of the uterus, will also appear The pain in the stomach, often after rest will disappear. So it is recommended that once there is sex belly pain, go to the hospital in time to check, if found to have pelvic inflammatory disease, it is recommended to actively treat with drugs at the same time can do the lower abdominal hot compress, through the heat circulation to promote the absorption of inflammation.