本文作者从实践需要出发，结合我国的国情，对城市设计理论进行了系统的研究，提出城市设计理论框架和应用纲要。主要内容包括：城市设计的定位和起点，城市设计的内容与主要指标，城市设计空间体系的主要环节，城市设计空间构成原理以及城市设计的程度和各阶段深度等。 The author of this paper, starting from the practical needs, combined with China’s national conditions, conducted a systematic study of urban design theory and put forward urban design theory framework and application outline. The main contents include: the orientation and starting point of urban design, the content and main index of urban design, the main links of urban design space system, the composition of urban design space and the degree of urban design and the depth of each stage.