The uterus is located in the pelvic cavity, if the patient always has menstrual cramps in the abdomen, it may indicate chronic pelvic inflammatory disease. Because in the process of chronic pelvic inflammatory disease, the entire pelvis is congested, the pelvis will fall, and there is an increase in the amount of leukorrhea. At the same time to exclude some diseases, because some diseases can also lead to chronic pain in the abdomen, such as endometriosis, black dots on the fallopian tubes, will cause before and after menstruation, or even throughout the menstrual period, there is a drop in the abdomen, such as menstrual cramps. In addition, adenomyosis can also appear in the pelvis with dysmenorrhea-like sensation, and the condition of adenomyosis can be aggravated with the menstrual cycle, manifested as progressive abdominal pain, so patients with such symptoms should go to the hospital for consultation. Patients should pay attention to health care in general, do not wade in the rain or catch a cold during special physiological periods such as menstruation and postpartum. Some women still wear thin clothes when the weather is cold, and their bodies are exposed to cold, which leads to menstrual pain in the pelvis.