This article take LuoCheng MuLao Nationality Autonomous County in Guangxi province as a sample, decomposing the new construction land quota in this county based on AHP in determining the quota decomposition weights. In addition, this paper selected rural fixed assets investment, urban population, the total construction land during planning and implementation period, gross domestic product, four factors as the significant influencing ones. And standardized treatment of these factors to the indicators’ vector set.