Abstract:Firstly, based on the investigation of Jiangsu Dafeng, Chengdu Longquanyi and Zhongxin Tianjin Eco-city, this paper selects 30 indicators from the economic, ecological and social three-dimensionality, and builds a multi-level eco-city evaluation index system; Secondly, this paper uses the three-level fuzzy comprehensive evaluation method to systematically analyze the economic, social and ecological development status of the three eco-cities, and draws the overall evaluation results of the three eco-cities as good, excellent and good.