街道作为城市空间的重要组成部分,是城市中分布范围最广同时也是人们容易接触到的公共空间,能够容纳各式各样城市公共生活。街道也是人们对城市空间第一印象最直接的感受来源,是人们了解和熟悉城市的重要场所。本文从街道边界空间出发,引出柔性边界的概念,在此基础上以街道使用者的视角探讨如何营造街道的活力,并提出相应的街道柔性边界设计策略。街道边界的概念边界是指两种或两种以上形态、性质及作用各异的空间,在空间 Streets, as an important part of urban space, are the most widely distributed and accessible public spaces in cities and can accommodate a wide range of urban public life. The street is also the most direct source of people’s impression of the first impression of urban space, and is an important place for people to understand and become familiar with the city. This paper starts from the street boundary space and introduces the concept of flexible border. Based on this, it discusses how to create the vibrancy of the street from the perspective of street users and proposes a corresponding street flexible border design strategy. The concept boundary of a street boundary refers to two or more types of space with different forms, properties and functions.