Abstract: The trend in the financial opening up, the field of international financial cooperation have been strengthened, and China's financial system is in a closed economy set up with the situation, the corresponding level of economic development constraints, the formation of a strict financial controls, financial supervision and inadequate Situation, in an open situation, such a closed financial system is bound to be How to establish and perfect China's financial supervision and appropriate level of financial supervision system, China's financial industry to meet the needs of development, China's financial industry has been the development of an important This article from the financial opening up of financial supervision and the impact of start, in view of the current financial regulatory system existing problems, put forward the reform of China's financial supervision system of policy Key words: financial opening up financial supervision; financial regulatory system