如今社会发展迅速,各种交通工具也是层出不穷,但对于高速公路的建设仍然是极其重要的。特别是对于通信电源的研究,它是通信设备在高速铁路上正常工作的保障。而通信电源的好坏,与通信质量和安全紧密相关。在本文中,对高速铁路通信电源做了简要分析,讲解了其主要特点、工作方式和施工方法与技术。 Nowadays, the society is developing rapidly and all kinds of modes of transport are also emerging. However, it is still extremely important for the construction of expressways. Especially for the study of communication power, it is the guarantee of the normal operation of communication equipment on high-speed railway. The power of communication is good or bad, and communication quality and security are closely related. In this paper, a brief analysis of the high-speed railway power supply, explain its main features, methods of work and construction methods and techniques.