Financial crisis, also known as financial tsunami, refers to the dramatic deterioration of the financial indicators of a certain country or several countries and regions in the world. It can be classified as currency crisis, debt crisis, banking crisis, sub-loan crisis, etc. The feature of the crisis is that people are pessimistic about the economic future because of monetary depreciation occurring throughout the region. The causes for the crisis are complicated with multiple reasons, mainly from three aspects, i.e., the U.S. consumption habits of borrowing, the idea of free economic management, and the economic environment and specific policy instruments. (99 words).