Abstract: This paper takes the Fengdu county as an example, based on the data of land use current situation in the period of 1996 to 2004，and land use comprehensive planning in 2010, studies the land use change and its eco-environment effect by using methods of Delphi, hierarchy process and quantitative analysis .The following conclusions are reached: (1) Changes of land use frame have obviously taken place with the decrease of farmland and unused land, and with the increase of land used as garden plots, water area, woodland and traffic land. (2)Eco-environment quality has the tendency to be improved, mainly because of transformations of farmland to woodland and garden land and unused land exploitation. (3) There are great differences on land use changes and its eco-environment effect between planning and implementation. (4)The land use comprehensive planning is not objective enough to comply with the actual land use. (5)More attention should be paid to the improvement of eco-environment effect caused by land use planning. And opinions are put forward on new land use comprehensive planning.