| Water resources belong to basic natural resources. It is one of the controlling factors of ecotope. Since the last stage of 20 centure, the water consumption of many countries rise steeply. And in many areas water crisis take place. The shortage of water resources arouses broad attention, and regards as main agenda in most international conferences. In 21 centure, with the global social economy developing fleetly, the population apace increases, and urbanization is accelerated observably. So the water exploitation deepen gradually, the contradictions among every utilization of water resources intensify increasingly. The shortage of water resources is more and more severe.Hebei plain, which is in the north of North China Plain, becomes one of the areas that face the controdations between supplies and demands for water severely. The surface water is lacking in Hebei plain, so the ground water is the main supply resource. Since 70s, towns and countries have become lacking of water along with the demands of water resources by social economy and population increasingly, that leads to cosmically exploration of groundwater. In this plain, the area of surficial overexploration is 33,026 km2, thereinto, the severe overexplorating area is 1,717 km2; the area of deep overexploration is 12,011 km2, thereinto, the severe overexplorating area is 31,216 km2. That causes the drainage of surfacial aquiclude in some piedmont, the rapid drop of water level of deep groundwater in the mideast plain, series of environmental geologic problems such as ground subsidence. The overexploration of groundwater will leads to ecotope damages and geologic disasters such as land subsidence, seawaterinvasion and so on, that will bring huge economic loss. So it is very meaningful that analyzing the circulate mechanics, studying the theories and methods of sustainable utilization of groundwater resources in North China Plain, discussing the countermeasures on sustainable utilizations of groundwater resources.Through in-depth analysis of the exporation actuality of groundwater and the environmental responsion in North China Plain, the author dynamic analogised the groundwater of Hebei plain, appraised the vulnerability of the groundwater and the compatibility between water resources and social economy, forecasted the quantity of the groundwater resources and the change of water level in future, bringed frowared countermeasures on sustainable utilizations of water resources in Hebei province, obtained some research productions as follow:(1)Investigated the exporation actuality of groundwater and the environmental responsion in North China Plain; analyzed the effect on groundwater environment in Hebei plain from man-made disturbance and global climate change; discussed the change of rainfall, the reserve of groundwater resources, surface flow and the relationship among them.(2)Based on GIS, investigated the groundwater level, spatial autocorrelation and variation of groundwater quality in Hebei plain by variation functions of geologic statistical method; analyzed their changes in different time-interval; studied the groundwater level and spatial distribution of groundwater quanlity in Hebei plain.(3)Taken the fifth class of groundwater quanlity as response factor, exploiting modulus, burial depth of groundwater, recharge modulus of water-bearing beds, water-reserving capability of water-bearing beds and the mineralizing degree as five pre-estimate factors, studied the vulnerability of groundwater in Hebei plain by positive weight method.(4)Appraised the compatibility between water resource of Hebei plain and social economy by fuzzing mathematics method; at the same time, made a medium-term and longterm pre-estimation on groundwater reservation and level in Hebei plain via the pre-estimating method that is a hierarchy combination of grey system, time series and neurowet. Based on these,bringed forward countermeasures on sustainable utilizations of water resources in Hebei province.
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