The research attempts to analysis depend on design viewpoint, to be a topic of Japanese unique poster design. Due to provide the knowing and understanding of Japanese graghic design, therefore should to discover what graghic design activity in Japanese posters. The research is trying to discuss Japanese graghic design movement and the designers who have been influenced by social, economic and politics. Depending on this point, It is helpful to understand what influence factor of Japanese graghic design. According to the times after the war 1950 times: Design era in functionalism, 1960 times: Design era in craft doctrine, 1970 times: Design era in commercial doctrine and 1980 times: Design era in information doctrine wait for fur periods of times, Slightly stating the political economic, social trend, industry's technology after the war in Japan, designing the policy, etc. briefly at the same time, by establishing and realizing the reference foundation stone of Japan's graghic design development by this. Secondly, take place with four period of time a important one graghic design organize, the international graghic design meeting, the international sports meeting, international fair, design commerce develop, develop culture not artistic, graphic designer representative works, etc. as research object not main, Put forward comprehensive analysis to describe in order, expect to pass Japan's graghic design development course, can contribute to detecting Japan after going through western cultural shock, how the positive one opens and belongs to Japan's unique design style; Another respect hope argumentation this to understand Japan graghic design can know and draw lessons from to some extent.