If the penis top to the uterus when the stomach will appear pain, mainly because of the pelvic cavity has chronic inflammation caused by pelvic tissue elasticity decreased. And chronic inflammation of the pelvis will also appear local tissue congestion, edema, coitus will aggravate the state of congestion, so the stomach will appear pain, it is recommended to go to the hospital to do gynecological examination, to understand the degree of inflammation of the pelvis, and then to give anti-inflammatory treatment. If there is chronic pelvic inflammation in the clinic, not only oral medication for treatment, but also recommended to strengthen the nutrition, so as to increase resistance and promote the absorption of inflammation. In addition, it is also recommended to do physical therapy in the lower abdomen, so that the local metabolism is accelerated through thermal circulation, blood circulation is accelerated so that the inflammation is better absorbed, and attention must be paid to the hygiene of sexual life and menstruation in daily life.