In this article, the author gives a brief overview of the state of the armed forces of the Republic of Korea. In particular, the defense innovation, which has recently been actively promoted by the Republic of Korea, is presented. The main contents of the Reform are also explained. The article is aimed at forming general ideas in the field of the country's security, as well as possible threats faced by the South Korean armed forces, counteraction measures and the buildup of Korean military power are presented. The study attempts to offer a productive and at the same time restrained approach to this issue by analyzing this political phenomenon, its problems and limitations. The study was based on data from international treaties, official agreements and declarations between governments, as well as official reactions and articles in the media