Purpose : The purpose of this study is to identify the clinical effects of acupuncture and herbal medication in the treatment of primary dysmenorrhea during five or seven days before menstruation. Methods : This study was carried out to the 17 female students in kyungwon university without pelvic or other systemic disease and its history. We investigated general and menstrual characteristics through questionnaires and treated sample patients with crossover acupuncture treatment(Sojangjeonggyeok & $SP_6$) and herbal medication(Hyunburikyungtang-gagam) during five or seven days before menstruation two times. And the change of pain was measured by the method of VAS after menstration monthly two times. Results : The improvement frequency of pain after treatment according to VAS all got better after one, two months of treatment. Especially, the mean${pm}$S.E. of VAS score after 2nd month treatment was decreased significantly compared with that of 1st month treatment(p<0.05). And Between acupuncture treatment and herbal medication groups had no significant differences on the efficacy of treatment. Conclusion : The acupuncture treatment or herbal medication during five or seven days before menstruation will be efficacious against primary dysmenorrhea.