提出了基于广电网的综合业务有条件接入的概念，并对其功能及实现过程中的关键技术作了详尽的说明。同时，也简要阐述了综合业务实现过程中三方面的技术问题：节目及信息服务器的响应处理、信息流和数据流的传输、用户端机顶盒的接收。 The concept of conditional access to integrated services based on broadcasting and television network is put forward, and its functions and the key technologies in its implementation process are described in detail. At the same time, it also briefly describes three aspects of the integrated service implementation process: the response of program and information server, the transmission of information flow and data flow, the reception of set-top box of the client.