Abstract: This paped showed that separate management Could not produce beneficial circulation for the process of the production of agriculture, forestry, animal husbandry, sideline and fishery in the past 30 years. Ecological agriculture proved to be the only Way to moke farmers rich and for the development of agro-forestry.Multi-dimensional management is the specific production mode and measure to realize ecological agricuture. It includes; the multi-dimensional Structure disposition of forest or farmland, management of that structure and for different climatic layers. The facts Occured in the lower basin area of Jiangsu Province and Maoer-shan experimental forest farm of Northeast Forestry Univessity in Helongjiang Province were two successful exemples.Strengthening the agro-forestry ecological research and the necessity and urgency of ecological construction, the chief research programs and the rational manipulation for complex eco-economic system were explained in the second part of this paper.