Conclusions Auricular acupressure by seed-pressure method effectively improved menstrual symptoms of women. An expected effect of auricular acupressure on NO level was not found. However, findings from this study have implications for health care providers to consider incorporating auricular acupressure in their clinical practice when caring for women with menstrual symptoms. It is also important for women to consider administering auricular acupressure technique for themselves through appropriate training and find relief through self-management