电信网、有线电视网（ＣＡＴＶ）和计算机网的融合是当前信息产业界的一大趋势，在光纤不断向用户廷伸的电信发展进程中，ＨＦＣ技术提供一种低成本实现电话网、有线电视网和计算机网“三网合一”的方式。本文阐述了ＨＦＣ网络的基本结构，给出了一种典型的ＨＦＣ网络频谱安排，描述了其关键设备及功能，对ＨＦＣ网络存在的优缺点进行了分析，最后给出了解决方案和措施。 The integration of telecommunication network, CATV and computer network is a major trend in the current information industry. In the development of telecom industry, where optical fiber is continuously extended to subscribers, HFC technology provides a low-cost solution for implementing telephone networks, cable television Network and computer network “triple play” approach. This paper describes the basic structure of HFC network, gives a typical HFC network spectrum arrangement, describes its key equipment and functions, analyzes the advantages and disadvantages of HFC network, and finally gives solutions and measures.