省际边界区域是两个及以上省级行政区划单元的接壤区域。目前,我国省级行政区边界总长度达5.2万km,涉及849个县级行政区划单元,面积占全国的47.9%。当前,大多数省际边界区域,特别是中西部地区的省际边界区域,省际边界的“切变”效应显著,造成该类区域发展水平低,区域摩擦频发,空间协调难度较大,统筹发展难点较多。推进这一特殊类型区域的协调发展,既是我国区域协调发 The inter-provincial border area is the border area of ​​two or more provincial administrative divisions. At present, the total length of the boundary of the provincial administrative regions in our country reaches 52,000 km, involving 849 administrative division units at the county level, accounting for 47.9% of the national total. At present, the effect of “Shear ” in the inter-provincial border areas and inter-provincial borders of most inter-provincial border areas, especially in the central and western parts of China is significant, resulting in the low level of development in such areas, frequent regional friction and more difficult coordination of space Large, more difficult to co-ordinate development. Promoting the coordinated development of this special type of region is both a coordinated regional development in our country