The pain in the abdomen after sexual intercourse may be due to vaginal overstimulation, transvaginal retrograde infection, preeclampsia, prostatitis, etc., which needs to be treated with medication or surgery for the cause of the disease. 1. Vaginal overstimulation: Sexual life action is too violent, male penis is too thick and other factors lead to excessive friction stimulation of the vagina, vaginal wall congestion and edema, the small abdomen by the impact, so the small abdomen hidden pain. This kind of need reasonable rest, avoid sexual stimulation can be. 2. Retrograde infection through the vagina: poor sexual hygiene, lack of cleanliness of the vulva of both men and women, multiple sexual partners and other factors leading to bacteria, mycoplasma and other pathogenic microorganisms retrograde infection through the vagina, causing vaginitis, pelvic inflammatory disease, glans inflammation, men’s urethritis and so on, so it will be a vague pain in the abdomen. You can use cefuroxime, ceftazidime, doxycycline, azithromycin and other drugs to treat it. 3. Pre-eclampsia: Sexual stimulation leads to uterine contractions, resulting in pre-eclampsia, which manifests itself in vaginal bleeding, abdominal pain and other symptoms. You can use progesterone, progesterone and other progestins to treat it, and if you can’t keep the baby, you can abort it through medication or surgery. 4. Prostatitis: Male prostatitis patients may stimulate the prostate gland after sexual intercourse and cause pain in the abdomen. You can take diclofenac sodium and other pain relief treatment. The same time can be applied to the treatment of prostate Schuttung, tamsulosin and so on. The pain in the abdomen after sexual intercourse may be related to a variety of factors, and it is necessary to consult a doctor for a clear diagnosis. The above drugs need to be used under the guidance of a professional physician, to avoid blind use of drugs, so as not to aggravate the condition.