The development of regionalism in East Asia in the 21st century has the inevitability. As an important country in East Asia, Japan's attitude and policy has a significant impact. Lots of Scholars pay close attention to Japan's regional strategy, and study this issue from different perspectives and get an abundance of profound and perceptive research achievements. The thesis will try to study Japan's policy in East Asia at the background of East Asia's cooperation on the other scholars'work and their achievements.It has become a multi-polar world after the Cold War. Relations among nations have become closer and closer and regional cooperation has risen. With the demonstration of EU and NAFTA and the midwifery of East Asia's financial crisis, East Asia's regional cooperation has developed. The cooperation mechanism with the main channel of"10+3"has been formed. Achievements have been made in mechanism construction, non-traditional security and the regional identity fields.Japan had its own pursuit in East Asia."Greater East Asia Co-prosperity Sphere"plan in 1930s,"Cooperation surround the Pacific","Flying Wild Geese Pattern"of economic development,"Asian Monetary Fund"constitute the transition of Japan's regionalism policy in history. Since 1990s, Japan has to change its regional policy with the change of the world and it has proposed the"East Asia Community"concept.Japan's regionalism policy is affected by a number of implications and it will have many prospects: building the East Asian Community with the core of Japan and leading the regionalism itself; building the Free Trade Area with ASEAN and leading the regionalism together; strengthening the cooperation with China and South Korea and building the North East Asia cooperation community; pushing on the bilateral cooperation, opening the way to multilateral cooperation. No matter which way, the objective results will promote the development of East Asia regionalism. |