Abstract:Rationality of land use is to analyze various types of land distribution within the region is reasonable or not, summarize the characteristics and rules of land use, and provide references for city planning. In this paper, based on cluster analysis, construction using land in Dezhou city is analyzed. It is put forward that partition of construction land is reasonable or not should be decided by the rate of change. As showed by the result, construction land use in canal zone is the most reasonable.