Abstract: Taking Huajiang demonstration area in Guanling—Zhenfeng County, Guizhou Province as study area and using Solow growth speed equation, the contribution rate of agriculture input factors including science and technology progress, labor, capital, land for agriculture economic growing in demonstration area were estimated and the positive and negative factors of agriculture development were analyzed. Meanwhile, through studying several typical agricultural comprehensive development models in rocky desertification mountain area and the advanced ideas, characteristics, key technologies and models of the sustainable agriculture, ecological agriculture, low-carbon agriculture, precision agriculture,natural agriculture and intensive agriculture of the modern agriculture at home and abroad, three countermeasures including attach great importance to ecological restoration and reconstruction and comprehensive agricultural development, the agricultural production structure adjustment and agricultureecologicalization and industrialization simultaneously, strengthening the science and technology support and improving the agricultural science and technology progress contribution rate etc. were proposed to promote the improvement of eco-environment and sustainable development of agriculture in rocky desertification comprehensive management areas.