After the founding of the People's Republic of China, China implemented the unbalanced development strategy that the heavy industry was developed in advance for a long time.

After time-spatial contingency keen analysis, definite weight matrix using the common factor variance assigning weight methods, establishes the three-dimnsional appraisal model, propose and expresses the region unbalanced development method and the quota index based on the three-dimensional appraisal diagnosis.

Firstly,By constructing a simple analytical framework,this article studies the reasons for the cultivated land protection policy failure from the view of unbalanced development between the eastern regions and the central and western regions.

The paper aims to analyze its unbalanced development by selecting a number of indexes and using the principal component analysis method.

In view of social economy and cultural education, it analysed the main cause to the unbalanced development in national keep-fit programme, and suggest that we should build a good social environment through improving consciousness and promoting propaganda, strengthen western area s economic construction to lay the foundations of harmonious development and enhance western area s.

Governed by the law of unbalanced development in world economy,the deve lopment of international trade has been unbalanced between different types of co untries,between developed countries,and within developing countries in different stages over the postwar 50 years,which will greatly shape the future trend in t he development of international trade and the pattern of world economy.