Abnormal leukorrhea, hidden pain in the stomach is often related to the following factors: 1, chronic pelvic inflammatory disease so that the pelvic tissues oozing, and the tissues appear local adhesions, resulting in abnormal leukorrhea, hidden pain in the stomach. 2, uterine submucosal leiomyoma. As submucosal fibroids grow into the uterine cavity, the endometrial area is relatively large, so the vaginal discharge will increase, and there is a vague pain in the abdomen.3, pelvic tumors caused by, for example, ovarian cysts are relatively large resulting in abnormal leukorrhea and pain in the stomach.4, endometriosis. As the lesion of endometriosis bleeds with the menstrual cycle, it is clinically manifested as a cyst. The cysts gradually increase in size, and there will be hidden pain in the stomach.