The international trade and economic growth and development is an important impetus, many countries and regions in the world is through foreign trade grows quickly. In the process of economic development, through the foreign trade can optimize the combination of factors of production and economic resources allocation, can convert the physical form and the value of goods, the value of other economic sectors of foreign trade has irreplaceable special functions. While foreign trade dependence is one measure of foreign trade status in the national economy. Generally speaking, foreign trade, the higher the dependence on foreign economic development that the country's dependence, also shows that the foreign trade in the position of the national economy. Along with the globalization of economy, the foreign trade in the proportion of the world economy is on the increase. Between 1980 and 2000, world trade in goods to 6.1 per cent, with an average annual growth rate and the world economic growth rate for 5.4%. According to WTO and the IMF data.then, 1960, the global trade dependence to 25.4 percent in 1970 for 27.9%, 1990 to 38.7%, 2000 to 2003, has close 41.7% 45%. China as a developing country, in the transformation of foreign trade depends also increased year by year.