进入后PNTR时代 ,中美经贸关系在中美双边关系中所占比重日趋重要 ,在中美经贸关系日益紧密的同时 ,争端也日渐频繁。在美国大选年来临时 ,中美贸易争端成为美国国内关注的焦点。其中 ,美国国会扮演了重要的角色。国会利用各种手段对美国行政当局施加压力 ,影响美国对华贸易政策 ,对中美经贸关系起到了相当的负面作用。因此 ,中美贸易争端中的美国国会因素值得引起注意 ,并进行相关研究 After entering the post-PNTR era, the proportion of Sino-U.S. Economic and trade relations in Sino-U.S. Relations has become increasingly important. As Sino-U.S. Economic and trade relations have become increasingly close, disputes have also become more frequent. As the U.S. presidential election approached, the Sino-U.S. Trade dispute became the focus of domestic concern in the United States. Among them, the United States Congress plays an important role. Congress has used various means to exert pressure on the U.S. administration to influence the U.S. trade policy toward China and has played a rather negative role in the economic and trade relations between China and the United States. Therefore, the U.S. congressional factors in the Sino-U.S. Trade dispute deserve attention and carry out related research