【摘要】 北京建城历史悠久，北京旧城是中国古代城市规划建设思想的标志性代表。本文通过空间句法（Depthmap）对北京旧城各个历史时期的城市形态演变进行整合度、选择度等分析，探究其不同阶段城市形态演变规律特征与内在动因，并在此基础上为未来的旧城更新保护提供更多的经验，规避旧城更新中不合理之处。更多还原

【Abstract】 Beijing has a long history of urban construction, and the Old City of Beijing is an iconic representative of the ancient Chinese urban planning and construction thinking. This paper analyzes the urban form evolution of the old city of Beijing in various historical periods through the space syntax(depthmap), such as the degree of integration and selection, explores the characteristics and internal causes of the urban form evolution in different stages, and on this basis, provides more experience for the future renewal and protection of the old city, avoiding the unreasonable aspects in the old city renewal更多还原