Abstract: On the basis of agricultural evaluation of natural resources of main mountains (such as Shennongjia, Dabie mountain, Xucfcng mountain and Yunkai mountain) in the castern pan of subtropics of China, economic profits are selected in agrteultrual development as target by the application of grey situation decision. The results show that development of agriculture (grain crops and economic plants) must be placed in the firt position among agriculture, forestry, animal husbandry, sideline and fishery, and that the best economic profits of agriculture and forestry can be achieved in the south slopes of Shcnnongjia mountain, and the best economic profits of animal husbandry, industry and sideline can be reached in the Yunkai mountain.