This article focuses on supremacy rivalry between America and China in East Asia. Now we have so many changing in the world form supremacy hegemony era of Asia. This purposes of study should understand perspectives of future mission in this supremacy competition era. I mentioned that this article explain what is new change in East Asia? The change have so much conflicts among America, China, Japan, North Korea, and South Korea. And then several countries in East Asia evaluates leadership of leader. East Asia has too many dispute in social, economic, political, and religious contest. How to get to changing and stability in East Asia? First, East Asia is making harmony and cooperation in ASEAN community, and respect multiculturalism in East Asia. East Asia is equipping motivation and partnership through leadership of leaders. At the same time, East Asia is entrusted with a ASEAN community of doing mutual respect through meeting and communication. I mentioned that I suggested a several alternatives of future mission strategy in East Asia. First, we have evangelism and mission of mutual communication in each country of East Asia. Second, mission of East Asia know to change cultural and social value. Third, we make new Christian culture in East Asia. Korea church build up mission network with institution, denomination and organization in East Asia for Christian culture. Fourth, we have Christian education in life of people. They should develop Christian education mission field in East Asia. Fifth, we focuses on receiver -oriented practice and plan of ministry in East Asia. Last, we have social role of church in supremacy contest of East Asia.