Emergency Management One-map Platform，aimed at emergency information construction, gathers local spatial data and emergency resource data, quickly maps and uses data on the web and mobile ends to meet daily emergency command, emergency data management and other needs. The platform has established emergency spatial information standards, standardized emergency spatial information services, constructed a comprehensive emergency spatial information support system, and achieved comprehensive integration of GIS and emergency management business. In addition, it also builds a “big foundation” for emergency space information sharing and management, providing comprehensive, unified, and practical emergency space information services for emergency management work, laying a solid foundation for building “one network”, “one map”, and “one game” for national emergency management work.