Based on the field study of spatial form of Jiefangbei Commercial Pedestrian Street in Chongqing and the role analysis of its production, this paper explores the relationship between urban vitality and the urban life produced by commercial pedestrian streets in the time of global booming of capital and consumption accumulation. It points out that in the situation that capital plays a long-term strong role, it will be a long and difficult process for the discourse of diversity to be better merged into the mechanism of production of space, in order to highly fit the corresponding urban life to the demands of different roles