In this paper, the theory and method based on space syntax, select Yiyang Lanxi town as a case, the introduction of city image elements, the axis of figure based on image data, exploring the relationship between central and traditional small town space form and different users of spatial cognition. This study provides a new technological approach and research perspective for the study and planning of the traditional small towns in south central China in the process of rapid urbanization. Describe the rise to the depth of quantitative analysis from a single sense, it provides a powerful technic...