This paper points out the advantages and disadvantages of foreign direct investment in western regions of China through the analysis of the present condition of the foreign direct investment in these regions. The author provides a series of suggestions to fasten the introduction of foreign direct investment and to promote economic growth in western regions,including changing the role of the government and creating good investment environment, strengthening infrastructure construction, making full use of the competitive advantages of rich natural resources and labor power, encouraging foreign investment to be shifted to high-tech industries and gigantic international corporations to invest and merge the state-owned enterprises, etc.