介绍了高速铁路的产生过程、定义、主要类型、主要技术经济优势、世界高速铁路的现状和发展趋势 ;论述了高速铁路是高新技术的综合集成 ,包括高速铁路线路是高速行车的基础 ,高速列车是高速行车的核心 ,行车指挥系统是高速行车的中枢 ,安全监控系统是高速行车的保障 This paper introduces the production process, definition, main types, main technical and economic advantages, current situation and development trend of high-speed railways in the world. It also discusses that high-speed railways are integrated with high-tech, including high-speed railway lines are the basis for high- Is the core of high-speed driving, driving command system is the hub of high-speed traffic, safety monitoring system is the guarantee of high-speed driving