Research conclusions:The Suzhou -Wuxi -Changzhou metropolitan region is one of the most developed areas in economy in China, with the economic foundation of developing the urbanmass transi.t As the contradiction between the supply and demand in traffic hasbecome obvious and the urbanmass transithas the comparative advantage, the Suzhou -Wuxi-Changzhou metropolitan regionwillusher in the upsurge ofurbanmass transit construction. The nextworks are offered to realize the rapid development of urban mass transit in the Suzhou -Wuxi -Changzhou metropolitan region,including railway system reform, appropriately advanced construction of infrastructure, deepening the line linkswith the network at the different levels and establishing themarket financing system.