Stomach pain after intercourse is often caused by chronic pelvic inflammatory disease. Due to the inflammation of the pelvis, the elasticity of the pelvic tissues will be reduced, and the stimulation of pelvic congestion after intercourse will cause stomach pain. It is recommended that anti-inflammatory treatment be given clinically, such as cefuroxime combined with metronidazole, which can be taken orally together for a week. It is recommended that you can do hot compresses on the lower abdomen to promote the absorption of inflammation through thermal circulation. In addition, the stomach pain after intercourse, it is recommended to exclude the possibility of endometriosis, this patient in the clinical may often have dysmenorrhea, and gradually aggravated, clinically can also lead to infertility.