The vigorous development of urban rail transit in China is important strategies for implementing urbanization and sustainability development. The core theme of sustainability of urban rail transit development is transit oriented development (TOD), through which together with resource integration to greatly activate and create the positive potentials of rail and urban development. For achieving the sustained win-win goals, we need to have a creative management and technology system with which to allocate resources optimally and to attract private funds to invest,build and operate urban rail transit systems. By looking into the "railway+property" experience of Hong Kong, the key sustainability issues of urban rail transit development in China are discussed in this paper, taking the TOD study of Shenzhen Metro Line 6 as an example. It is to explore the sustainable development model of transit oriented new town development and through this to finance the rail development.