In recent years，China’s cloud computing’s industry development，industry promotion，market supervision and other important macro-policy environment links has been gradually improved. The collaborative governance system was initially formed. As an infrastructure，cloud computing provides large-scale data resources through centralized data aggregation，which can enhance the sharing degree of regulatory tools and provide a good operating platform or development platform for regulatory technology. This report introduces the basic principles and technological development of cloud computing，and analyzes the application and practice of cloud computing in China’s regulatory science and technology with specific examples. At the same time，it analyzes the application prospects of cloud computing in regulatory technology and puts forward relevant suggestions.