This study is about the differences of perceptions and responses between the Republic of Korea and Japan to find a solution of the problem about comfort women . The issue of comfort women has been recognized as more serious and sensitive things on the domestic-foreign political and social aspect of the Republic of Korea and Japan. These problems must be solved for the developmental future of both countries. However, the recognition and countermeasures of the two countries are still in the parallel lines. Also, there is a consensus that the comfort women problem must be solved for the developmental future of Korea and Japan. First of all, from this point of view, this study summarizes the terms and definitions of comfort women and discusses the historical development related to comfort women in Japan and the awareness & response process of the comfort women issue in Korea. And then I would try to draw conclusions, after analyzing those contents.