Abstract: To promote development of less-developed regions and reduce the gap are embodiment of fulfilling scientific development view. Less-developed regions are identified then assorted types by GIS spatial analysis method. On the base of this, this paper brought forward four main developing models for less-developed regions by the analysis of intensions of each restricting factors and natural human condition to economy development. At the end of this paper, direct policy suggestions on each developing models are produced.

Key words: Less-developed region, Natural and human factor, assort types, Model research