The simulated results matches with the historic data of urban land price in Xiangtan,and the predicted results accord with social economic development and land market.

• 研究结果:(1)GM(1,1)模型对湘潭市区地价水平的历史趋势拟合程度高,预测结果符合湘潭市社会经济及土地市场变化规律;