According to the survey of the land use in Heiniu river watershed,the adaptability of the land use is assessed,and the productive potentiality and the population-carrying capacity are analyzed.The results showamong the 1531.55hm² land in Heiniu river watershed,there are farming land 45.64%,forestry land 40.57%,orchard land 0.74% and pasture land 1.07%.In addition,there is 5.44% of the land,which has not been used but can be used for forestry and orchard.There are 87.35% of the farming lands which are in middle or low productivity,and have high potential production.A land use plan about rational utilization and improving the land production in hilly region in northeast China is advised.