${ulcorner}$Ilbonseogi${lrcorner}$(edited A.D. 720) )was studied to investagate the medical and pharmaceutical exchange among ancient Korea, China and Japan. It seemed that Korean and Chinese traditional medicine was introduced to Japan through Korea. It was also shown in ${ulcorner}$Ilbonseogi${lrcorner}$ that Koreans who lived in china and Japan during that time seemed to hove active medical idea exchange. From various facts indicated in ${ulcorner}$Ilbonseogi${lrcorner}$, it was believed that Korean and Chinese traditional medicine was the basis for the foundation of Japanese traditional medicine.