the systematic formation and network characteristic of an eco-industrial networks in a industrial zone are discussed. The performance of an eco-industrial network within the zone could be measured from four aspects, namely, network flexibility, network value-added, network openness, and network harmony ness, under the basic framework of evaluation for the network organization’s performance. By using questionnaireand data analysis, the index system and index weight for measuring the eco-industrial network of the industrial zone are studied, and the performance for the network are tried hard to evaluate from the zone environment, economics, and social coordinated dtvelopment.