As the world economy and science and technology continues to evolve, the MTR as urban infrastructure, high efficiency, environmental protection, time, site-intensive features, more and receive public recognition, and gradually become the backbone of urban public transport. The world's major cities through the development of data collection subway, and are divided into foreign and domestic subway to detail. On this basis, a large underground operating conditions at home and abroad, business model and the fares were analyzed to further explore the differences between the subway home and abroad. Point out that the construction of urban rail transportation problems, and make recommendations for measures which