Statistical difference in long-standing Sino-US trade in goods, in recent years because the amount is large, successive years of increase, has aroused widespread concern in all sectors of society, also affected the trade imbalance between the two sides of the issue knowledge. To find related causes in 2004, the 15th China-US Joint Commission on Commerce decided to establish a statistical group, statistical differences in joint research of bilateral trade issues. Members of both sides to work together in October 2009 at the 20th Session of Sino-US Joint Commission on Commerce, the Chinese Ministry of Commerce (MOFCOM) and the U.S. Department of Commerce, Office of United States trade negotiators jointly signed the Sino-US trade in goods, research report statistical difference.