| Finance is the core of modern economy and the main force that promotes economic and social development, plays an important role in the development of economy. But at the same time, the financial sector is also a high-risk industries, the financial system has a natural vulnerability and the financial risks are easy to accumulated. Once the cumulative risk reach to unable to control effectively, it is likely to cause financial crisis. Domino effect make the risk spread and enlarge rapidly through the transmission mechanism. Especially in the economic and financial globalization and integration of today's, High-speed economic and social development has enabled the financial crisis will be spread to other industries and areas at an extraordinary speed. The 2008 financial tsunami has completely explain this situation. Financial crisis led to a global economic recession and the economic cycle was in the doldrums. The speed of financial risks and financial crises transmit and spread faster than ever before and even more destructive. Financial security has become the focus of widespread concern. Therefore, how to prevent, early warning and manage crisis has become an important issue for financial supervision, how to regulate when the regulation and targets of supervision has become an imminent research topics and tasks of Financial supervision institution-building. In the financial crisis, the importance of financial supervision is more prominent, so it should be strengthen and improve construction and reform of financial supervision system, establish reasonable and effective financial supervision system.Facing the global financial crisis and the Great Depression, China cannot be righteous alone in a community where the general moral tone is low, which also face significant difficulties and challenges, especially its not yet mature and well-established financial markets and the financial regulatory system and system construction faces a lot of difficulties. Therefore, China should draw lessons and experience from dealing with the crisis. Learning experience from developed Western countries'constructions and reforms of financial supervision and combining with their actual situation to construct a regulatory regime suited to China's national conditions.In this paper, it will be discuss the causes and transmission of financial crisis and the relationship of financial crisis and financial supervision through theoretical analysis. And have a comparative analysis of the United States, Japan, European countries'reflection and reform of financial regulatory system. Finally, derived Implications for China. In such circumstances, that will analysis how to establish and improve the regulatory system with Chinese characteristics which has an effective guard against and defuse financial'crisis and adapt to the current economic situation, make it toward to the the international financial regulatory system's principles and direction, and ensure China's economic and financial system is safe and effective integration into the world economic integration and globalization. This is not only an important theoretical issue, but also an important practical problem. |