As archivists are professional who is responsible for professional works related in archives, they are required to perform expanded roles including traditional roles in changed environment surrounding archives. To solve those requirements, reeducation program can be essential for improving archivists expertise. However, as compared with education quality and programs for professional improvement required to archivists, reeducation program currently offered in National Archives of Korea is inadequate to deal with performing the extended roles required to archivists. This study analyzed the current situation and problem of reeducation program currently offered in National Archives of Korea, as compared to domestic and foreign reeducation programs, and surveyed archivists' opinion about requirements to perform their extended roles in practice. Based on the results, this study improved a reeducation program in National Archives in Korea.