The economic gap between different regions of China has become the restrictive factor for allrounded development of society and economy. The solution to the big gap becomes the first task of the Party and the governments and is also an important issue for theoretical circle to study. Because of the role of geographic environment, humanities and history, economic development and so on, China’s regional economy shows obvious dualstructure characteristics, we can distinguish priordevelopment regions from postdevelopment regions. Postdevelopment regions have relatively big gap with priordevelopment regions in the aspects of economic development situation, however, the backwardness of postdevelopment regions owns some special advantages. Postdevelopment regions should import capital and technology, learn advanced institution from priordevelopment regions and abroad, constantly adjust selfeconomic structure to gain postbenefit and sufficiently make use of postadvantages.