The subway is the vehicle with the most convenient traffic inside modern city. Build subway is the expression of actual strength of economy of a city not only, can go to the lavatory more people goes row, raise the effect and life rhythm, had become new prevailing custom of a kind of traffic. What at present Zhengzhou city already developed network of route of traffic of orbit of whole town land with certain boundaries is new round of job, to 2020, zhengzhou city will build total course of development of operation orbit traffic to exceed 300 kilometers; To 2050, will have line of 21 orbit traffic, full-length 970.9 kilometers, install a station 523. Zhengzhou already realized operation 3 circuitry 93.6 kilometers, in build 9 circuitry to make an appointment with 218 kilometers, 145 seat coach to stand. From the point of long-term investment, the subway makes circumjacent property keeps a cost, appreciate have certain stimulative effect. The development of the property of subway along the line that the subway derives, make the heat that building city place pays close attention to and central point. Means of this one burgeoning traffic is in our country big in urban construction gets in the process more and more attention, receive more wide application.