The vague pain in the abdomen after masturbation is mostly considered to be a symptom of abdominal pain caused by uterine contraction, which is a normal physiological phenomenon that mostly lasts for a few minutes and then relieves itself and disappears. In the process of masturbation accompanied by sexual stimulation, the smooth muscle of the uterus may appear contraction reaction, most cases after masturbation also disappeared, no obvious conscious symptoms. In most cases, the reaction disappears after masturbation and there are no obvious conscious symptoms. In some cases, it is possible to cause strong uterine contractions that last for a long time and cause different degrees of abdominal pain. If the symptoms of abdominal pain last longer and the pain is more intense after the end of masturbation, consider the possibility of organic gynecological diseases, such as uterine fibroids, pelvic inflammatory disease, cervicitis, etc., you need to go to the hospital in time for a routine examination to clarify the diagnosis and timely treatment.