Abstract: Fluctuate association and build database to the element association got through the arrangement by arranging the middle result of agricultural land classification and using mathematical statistics and demonstration analysis according to the requirements of cultivated land requisition-compensation balance, sufficiently considering the local natural conditions and economic conditions and from the feasibility standpoint. The database got from the fluctuate association method can provide optimized suggestions to the farmland supply and design work of Hebei Province and also provide foundation to the supply farmland acceptance to it.