中文摘要：

大众健康意识的增强使越来越多的居民选择步行作为日常的休闲健身活动。本文以上海市21个生活街区为案例，探析街区空间形态对居民休闲步行的影响机理。研究发现，街区空间形态的关键性影响因素是宽阔的硬质场地、混合的土地使用、沿街商业店面密度、步行路网的渗透性和安全整洁的社区环境等。另外．不同收入人群对休闲步行的选择与环境偏好也有所差异。

英文摘要：

With the raise of awareness of public health, more people have chosen walking as their daily fitness and leisure activity. Based on case study of 21 neighborhoods in Shanghai, the paper analyzes the key variables of urban morphology which influence leisure walking behaviors. It reveals that the key variables of urban morphology which have critical influence on the frequency of residents, leisure walking are： wide space with hard pavement, mixed land use, density of the storefronts in commercial interface, penetrability of sidewalk network, safe and neat community environment. In addition, people with different incomes have different choices of leisure walking behaviors and environments.