With the accession of China to the WTO and the degree of globalization of the world economy continues to deepen our country's trade dependence on the United States the increasing volatility of the U.S. economy on China's export trade, the larger the impact. Began in 2007 triggered the sub-loan crisis and turmoil in financial markets spread to all sectors of the economy of the United States. Economic globalization as part of more and more important, the Chinese economy will inevitably be affected. In this paper, through the table data and the status quo of Sino-US trade and sub-loan crisis in the United States on China's export growth, the structure of the impact of the introduction, and then on the sub-loan crisis on China's export trade and means of transmission mechanism analysis . Finally, these conduction channels and a stable growth in exports of policy recommendations.