According to the degree of water resources development and utilization, and contradiction between demand and supply in development of social economy in Nantong, Jiangsu Province, a comprehensive evaluation index system of water resources development and utilization was established with consideration of 4 layer system and 16 indicators in water resources, society, economy and ecology, using the variable fuzzy sets theory and analytic hierarchy process, to analyze the current situation of development and utilization of water resources in the study area. The results show that supporting capacity of the water resources is at medium level or slightly lower, the ability of supply is in a tendency to poor, development and utilization is full and the pressure is bigger. If corresponding measures can not be taken as soon as possible, water resources in the study area will be short for supply.