vitably rise. And spread the existence of the international short-term capital flows to emerging countries arbitrage, pushed up asset prices in emerging countries, the birth of the bubble economy. Since 2002, the substantial depreciation of the dollar as the international trade of goods denominated in the currency devaluation asa direct result of the global energy modity prices, thus increasing global inflationary pressure. Depreciation of the dollar not only makes the foreign exchange reserves in emerging countries, "shrunk" to reduce the wealth and economic development in emerging countries most dependent on exports, the depreciation of the dollar makes their export prices, reduced demand for importing countries, leading emerging countries to reduce exports, the economy is slowing down .