Abstract:Regional differences in distribution of cultivated land resources is very obvious in Shandong province, and economic development levels are quite different as well. Farmland protection should be protected according to local conditions, use the advantages of cultivated land in different regions, and protect land resources reasonably. In this paper, differentiation of land resources distributed in different regions in Shandong province is analyzed, and the principle of partition and partition methods are determined. By using clustering method, cultivated land resources in Shandong province can be divided into five areas, and relative protection countermeasures are put forward according to differentiation.