The following clinical conditions can cause women to have dysmenorrhea without menstruation: first, because of gynecological inflammation, such as common cervicitis, endometritis, pelvic inflammatory disease, vaginitis, ovarian inflammatory disease, tubal inflammatory disease, etc., because when women suffer from these gynecological inflammatory diseases, the inflammation can lead to adhesions in the uterine cavity and cervical canal, resulting in the failure of normal elimination of menstrual blood, thus producing the phenomenon of dysmenorrhea and no menstruation, which The pain is usually cyclical; secondly, for women over the age of forty, if they have dysmenorrhea without menstruation, it may be because of tumors, such as common cervical tumors, endometriomas, pelvic tumors, tubal tumors, vaginal transverse myeloma, etc. When women suffer from these gynecological tumors, the tumors can destroy the endocrine function of women resulting in no menstruation and also dysmenorrhea.