Reform has been a main theme of financial sector in China for a long time，one of the driving force is regulatory authority. In 2015，many basic or new rules of financial market have been built or enforced. Firstly，we studied the set up of deposit insurance system and interest rate liberalization，both of which are regarded as the basic system of financial market. And the regulation of the exchange rate of RMB has also been relaxed significantly. Then，we found the regulatory method of banking and insurance sector had all been optimized either. Next，we were interested in the intense discussion on the reform of financial supervision in China，which was raised by the impressive volatility of stock market. Finally，the rules of private banks、internet finance were included，and the outlook of 2016 as well.