The present invention relates to a unified service platform for all-media television, characterized in that: the service platform includes four parts: a portal system, a service integration system, a comprehensive service management system and a system management system, and the platform is installed on a server. The all-media unified service platform described above is controlled by terminals such as set-top boxes, all-in-one machines, mobile phones, personal computers, and tablet computers. As the core service bearing and management platform of the third-generation digital TV platform, the present invention has full-media and full-service operation capabilities. It can realize the rapid deployment of new services such as multimedia communication, TV Internet, TV entertainment, and TV commerce, and can provide cross-platform and cross-system integrated services such as TV community, TV association, and intelligent information delivery. At the same time, the platform can also realize the four major functions of management, control, interface and capability exposure.