The purpose of this paper is to arrange the historical transition of representation on Micronesia and the South Sea Islands from 1890's to the middle of 1940's. It was 1890's that Japan had begun to establish the intentional relations between Micronesia, and as World War I broke out on 1914, Micronesia was occupied by Japan that had declared war on Germany. The Japanese rule on Micronesia was approved officially by the determination at the League of Nations, and the period of Japanese mandate on Micronesia had started from 1922. Under the duty and regulation that constituted by the League of Nations, Japan had controlled Micronesia as the South Sea Islands ('Nanyo-Gunto' in Japanese) until the withdrew from the League of Nations was proclaimed by Japan in 1933. After this announcement, the South Sea Islands was developed rapidly as the strategic point of Japanese policy and the War in the Pacific that draws near at that time.<br>In this article, the representation that had been produced during these periods, from 1890's to the middle of 1940's, and its historical transition have been treated as the subjects. In the recent years, the attitude on representation has been authorized, which tries to suspect the process of its formation and to pay attention to the historical background that representation has occurred. From this point of view, the social and political factors as well as the historical background that function when each representation on Micronesia and the South Sea Islands had occurred have to be noted to illustrate how these place had been described in each period. Also, it is clear that to arrange the historical transition of representation on Micronesia and the South Sea Islands during the period of Japanese relationship and domination is necessary to analyze and clarify on the way of representation on Micronesia in Japanese contemporary society.