This paper gives the definition of under-developed regions which include under-developed or stagnant counties or their adjacencies.

The central cause of economic underdevelopment in the West China is the shortage of investment.

Sinic Underdeveloped Areas of Agricultural Insurance Study;

Evaluation on capacity of sustainable development and space characteristics of underdeveloped counties in Shandong;

Promoting Sound and Rapid Development of Higher Education in underdeveloped regions guided by the Scientific Concept of development;

With the social development, the gap is widening between the under developed region and the developed ones.

Compared with the development of economic society, the construction of periodicals for social science in Shaoxing is in a "less developed" state, which will restrict the modernization construction.