Cloud computing is the important form of information service infrastructure and application model in the age of the Internet, is a new generation of information technology intensive development inevitable trend, its resource aggregation and virtualization, application services, and flexible specialization, on-demand supply and use of the service mode provide highly efficient, low cost, low power consumption of computing and data services, support all kinds of information, the application of special financial information. Cloud computing technology with its own technological advantage produces a great change for enterprise informatization construction, and the operation mode of the electronic commerce enterprise and other fields. With cloud computing platform as the core business service models, it will also have significant influence on society and Internet application mode on the existing business.