At present，the world is plunged into the mosts erious global economic recession sincethe Great Depression in 1930s. Moreover，the cnsis has not yet bottomed out，isstill spreading，the impact on the real economy continues to deepen. Under such circumstance，because of the lack of political will and popular support， in addition to lobbying and interest groups under pressure from voters，tradeprotectionism has been a compre hensive global resurgence.The WTO multilateral trading system is experiencing severe tests of ourtimes，itwas