China Information-Sharing Platform for Auto Insurance has two functions which are insurance information sharing and business regulation. Currently, there are many challenges, such as multiply business models, growing business scales, fast changing business rules, and so on. Therefore, the platform requires a flexible technical architecture, new delivery model to meet these characteristics. The platform is designed and developed based-on cloud computing technology. The virtualization technology, components and tools are applied and high efficiency of infrastructure and development platform are achieved. The data expansion, function configuration and measurement, scalability technologies are applied to achieve good running of the platform in Multi-tenancy mode.