The most common cause of stomach pain during intercourse is chronic pelvic inflammatory disease. This situation must be treated with medication, in the clinical can take oral adamantine capsule, and do the lower abdomen hot compresses, promote the absorption of inflammation. Do not eat acidic and spicy and stimulating food in your diet, and do not have sex during the treatment period. In addition, stomach pain during intercourse may also be caused by endometriosis, which is often accompanied by dysmenorrhea, and dysmenorrhea is persistently aggravated. Therefore, it is recommended to go to the hospital for examination, mainly to exclude the possibility of endometriosis, and to find out whether there are masses in the pelvis, uterus and adnexa, and whether there is pressure pain.