Since the foreign trade of Guangdong province are highly dependent on the U.S.market,the adjustment of U.S.domestic economic policies in order to stimulate economic recovery in the post-crisis era is bound a lot of impacts to the foreign trade of Guangdong province.In this paper,we combed the U.S.economic policy adjustment from fiscal policy,monetary policy,industrial policy and trade policy after financial crisis,evaluated the effects of the implementation of these policies,predicted the direction of future policy changes and analyzed the influences of these policies to the foreign trade development of Guangdong province and put forward corresponding countermeasures. <<