Based on GIS technology, a more comprehensive evalution system of land ecological quality, which includs three aspects: landscape features, ecological services and social and economic benefits, is used to establish with land use data and the FRAGSTATS software. The results showed that towns of Yixing had their own advantages?and characteristics in landscape features, ecological?services and social and economic benefits. Different towns can play different functions with the references of evaluation results. The evaluation system is more comprehensensive to show the characteristics of the land area, and GIS and?FRAGSTATS?software make the system more operable?and?practical.