In 2011，The U.S.policy makers put forward a strategic concept about America’s Asia-Pacific Century，which implied the U.S.’ new strategic goal and a plan devised for regional framework. In order to achieve new strategic expansion and draw up new blueprint of both trade and power in Asia-Pacific，the U.S.strengthened the trans-Pacific regional integration through utilizing APEC and TPP effectively.The admission of U.S. and Russia in East Asia Summit this year also will affect the construct of regional framework in Asia-Pacific in the future.