Abstract: The ten years after China accession to WTO are the time that China's reform and opening has been further developing and advantages have been made on absorbing foreign capital,technology,knowledge,management,concept and human resources ect.,and China's foreign investment law has been continuously improved.From the analysis of the basic situation and the characteristics of the foreign investment in China in the past decade,the article introduces the major changes of the foreign investment law of China:The four restrictive measures to foreign investment are banned;the field of foreign investment and ways are broadened;achieved the unification of the tax system is achieved;and the development trend of foreign investment law of China is discussed.To the theoretical differences among the domestic law scholars on the trends of China's foreign investment law, the article analyzes the issues of approval system of market access for foreign investment, full national treatment to foreign investment,special legislation on foreign investment Co., Ltd.,the unification of foreign investment law,and proposes the constructive views on those issues.