The suburban line of Zhengzhou Metro starts from the South Fourth Ring Station, passes through Guancheng Huizu District, xinzheng city and Zhengzhou Airport, and ends at Zhengzhou Airport Station. Zhengzhou Metro Line 2 starts from Jiahe Station in Huiji District in the north, passes through Jinshui District, and ends at South Fourth Ring Station in Guancheng Huizu District in the south. These two lines are not the same train.

Zhengzhou Metro refers to the urban rail transit system serving Zhengzhou City, Henan Province, China and Zhengzhou Metropolitan Area. Its first line (Zhengzhou Metro 1 Line) was put into trial operation on February 28th, 20th13rd, making Zhengzhou the 9th city in China.