other well-known Internet vendors have launched private cloud services in China. Many users have introduced public cloud technology to build their own industry clouds. By learning the business model of Internet service providers, customers in the financial sector rebuild and transform the application architecture and data architecture, and then adopt the network model for Internet data center in the technical architecture. Current commercially available private cloud solutions can only be used together with corresponding hardware devices. They are prone to bundling by vendors. When customers in the financial sector are building a cloud platform, it is an important for them to consider how to unbundle network devices, servers and other hardware and build a highly reliable private cloud platform.