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Network convergence, as a representative of network integration of Internet, telecommunication network and cable television network, is the general trend of development of the information society. Also, it becomes a hotspot of recently research. Converged network is a full service network, which means it has the ability to provide various bandwidth, wire or wireless services and applications, including voice, data, video, streaming media, Internet access, digital TV broadcasting, and so on. Also, it provides open service interfaces, which makes it possible for multiple service providers to construct and provide services. Therefore, openness is a distinctive feature in distributed service system of converged network. It means that more privacy and security issues should be faced and solved. In order to make the distributed service system of converged network can provide safe and reliable services, based on the study in characteristics of distributed service system in converged network and existing privacy protection mechanism, this paper puts forward a privacy protection model suitable for the distributed service system of converged network.