With China's accession to the WTO and the degree of globalization of the world economy continues to deepen the United States of China's increasing dependence on foreign trade,U.S.economic fluctuations on the impact of China's export trade larger.Began in 2007 triggered the sub-loan crisis and turmoil in financial markets spread to the United States,various economic sectors.From the current situation,the sub-prime crisis is still under development,the spread of China's economy and its impact on foreign trade will continue.In view of foreign trade on the importance of China's economic growth,particularly the United States as China's exports to occupy nearly 20% of reality,this paper analyzes the key sub-loan crisis on the impact of China's export mechanism and coping strategies.