Based on theOne Land Map,the construction land use potentiality of Changzhou Qishuyan District was analyzed by the method of material analysis. This paper perform overlay analysis on different types of data and layers overlapped through using the Arc GIS software,then get the layers of different kinds of land wastage,and the plot ratio of the parcels layer and so on. On the basis of those,the construction land use potentiality of Changzhou Qishuyan District was analyzed from both macroscopic and midscopic l...