Alfred Weber, the German economist, was the founder of the theory of industrial location, the core of this theory is that, by analysis and calculation of the interaction among the factors of transportation、labor and agglomeration, an industry should be located where the cost of final product was the lowest. S.Hymer’s monopoly advantage theory thinks that FDI is a kind of multinational corporations’ oligopoly behaviours, FDI is considered as an investment decision under the global competitive environment which aim is to maximize profit. J.Dunning's eclectic theory provides a helpful insight to foreign markets. The theory considers three factors: ownership advantage, location advantage and internalization factors. Dunning believed that the FDI of multinational corporations should also have ownership advantage, location advantage and internalization advantage simultaneously, all of the three factors were indispensable, which was namely so-called OLI pattern.