When the water resources is allocated,the regional economic benefits and ecosystem environmental benefits should be considered synthetically.Based on the rule,a fuzzy multi-objective optimal allocation model of regional water resources was established,and its way was solved in this paper,then the model was used in the optimal allocation of water resources of eco-city named Zhonghe in Wangzhuang Town Xunxian county of Hebi City in Henan Province.The optimal results show that the model can improve water resou...