交通是社会经济运行的大动脉，轨道交通又一直是我国交通运输业的主体，而电力牵引已经成为轨道交通牵引动力的发展方向。文章从电力牵引轨道交通的技术优势出发，综述了国外电力牵引轨道交通的发展趋势和我国电力牵引轨道交通的发展历程，展望了我国电力牵引轨道交通的发展前景。

Traffic plays a pivotal role in the social economy operation. Rail traffic is alwys the principal part of traffic carrying trade in China. Electric traction has become the development orientation of rail traffic traction power. This paper, proceeding from the technology advantage of electric traction rail traffic, summarizes the development trend of electric traction rail traffic abroad and the development course of that at home, and puts forward the technology prospect of developing electric traction rail traffic in China.