Most of the stomach pains after intercourse are clinically caused by pelvic inflammatory disease, and the pain is aggravated by pelvic congestion after intercourse. In clinical practice, pelvic adhesions due to endometriosis can also cause stomach pain after intercourse. The actual pain is caused by pelvic inflammatory disease, clinically give active anti-inflammatory treatment, you can use metronidazole tablets orally, continuous medication for 5 days, it is recommended to take oral Chinese medicine gynecological net capsule at the same time, continuous medication for 7-10 days, at the same time do lower abdominal hot compress, promote local blood circulation, accelerate the absorption of inflammation. If the pain in the lower abdomen during intercourse is caused by endometriosis, it is recommended to do ultrasound examination clinically. If there are foci of endometriosis, surgical treatment is needed, and the possibility of pelvic tumor should also be excluded.