铁路专用通信网是铁路重要基础设施,是专门用于铁路运输组织、调度指挥和生产组织的专用通信系统,是铁路实现集中统一指挥、保障行车安全、提高运输效率和企业管理水平的重要手段。本文介绍了铁路专用通信系统的发展历程、特点,重点论述了数字调度通信系统在铁路专网中的应用。 Railway special communication network is an important railway infrastructure, is dedicated to railway transport organizations, dispatching command and production organization of the special communications system is the railway to achieve centralized and unified command, to ensure traffic safety, improve transport efficiency and enterprise management level is an important means. This paper introduces the history and characteristics of the railway dedicated communication system, and focuses on the application of the digital scheduling communication system in the railway private network.