Abdominal pain during non-menstrual periods has more clinical causes. Commonly, gynecological inflammatory diseases, such as pelvic inflammatory disease and endometriosis, can cause lower abdominal pain. In addition, endometriosis can also cause non-menstrual lower abdominal pain, because endometriosis often leads to adhesions in the pelvic tissues, so there will be lower abdominal pain, pelvic tumors can also cause non-menstrual lower abdominal pain. If non-menstrual lower abdominal pain actively go to the hospital for examination, can do gynecological examination to know whether the uterine adnexa has pressure pain, and to know whether there is a tumor in the pelvis, do ultrasound to know the specific situation of the pelvis, whether there is tubal effusion, ovarian cysts, uterine tumors and so on, and according to the results of the treatment can be given.