In recent years, with the accelerating process of urbanization, economic and social fields has profound changes in the ever-changing urban landscape. The urban regional loss of Characteristic Features is increasingly plaguing the development of the city. Exploring the city's new green development model and strengthening the city's character Environment Protection and as such become increasingly important. Taking the "198 area" construction in Chengdu for example, summed up the general law of the Chengdu Plain area of urban green space structure to expand, and thus proposed to design strategy adapting to the Chengdu region's urban green space, That is a way of exploration for expansion of urban green space.