Heilonggang area is one of the districts that have most serious shortage of water resources in North China plain． At the same time，it is also a major production base for grains and cotton in Hebei Province． Because of the lack of surface water and the wide-spread pollution，the water demand from crops in the district depends only on rainwater and groundwater． In this study，agricultural cultivation structure and water resource distribution were analyzed，and the water demands of different types of crops were also addressed． Furthermore，the supply and demand balance of water resources was evaluated in consideration of cultivation structure． The evaluation result shows that the supply and demand of water resources was generally unbalanced in the district，especially in the north part of the district． Agricultural cultivation structure mismatched with water resource distribution; many areas lack of water resources were cultivated with high water-demanding crops． In order to solve this problem，the agricultural cultivation structure should be adjusted，with necessary enhancement in multi-dimensional technologies of water resource utilization and optimization of water supply system．