The pain in the stomach like menstruation may be caused by the following reasons: first, it may be the imminent arrival of menstruation, many women will have menstrual cramps before the arrival of menstruation, which is a normal premenstrual syndrome and basically does not need to be treated; second, abdominal pain may be triggered by gynecological diseases, such as vaginitis, pelvic inflammatory disease, etc., which can cause inflammatory stimulation and thus produce abdominal pain symptoms; third, it may Thirdly, it may be caused by the usual weakness of qi and blood, poor operation of qi and blood, and various symptoms such as intestinal cramps and gastrointestinal diseases cannot be completely ruled out; fourthly, it may be caused by other systemic diseases or tumor diseases, such as cervical cancer, it is recommended to observe the physical symptoms first, you can use a hot towel on the stomach, if the situation is more serious and persistent pain, it is recommended to go to the hospital for examination in time.