The paper draws a study of the adjustment of incentive policy and system arrangement considering the case of Fujian Province, China. The author takes a comparative study about the developing trend of FDI among the main nations in the world ,and analyzes the important roles of FDI in developing China's economy and the evolution of incentive policy in different countries.The paper compares Fujian and other regions of China and gives some suggestions on the adjustment of incentive policy and system arrangement.