Abstract: A model was estabhished for the optimal utilization structure of land resources in Haobei town,Yushe county,Shanxi province.In this model,the resources are taken as variables while the developmen of forestry and animal husbandry, conservation of soil and water,improvement of ecological environment, increment of cultivated area and improvement of plough quality are taken as purposes.The results show that after the optimal programming the land resources can produce the best economic,ecological and social benefit.

Key words: soil quality, GrainforGreen Program, integrated soil quality index, hilly area of North China, Robinia psedudoacia.