To establish a social structure and fundamental social groups that are fit for a well-off society,the following are the key issues:carefully summarizing the reasons why the intermediate stratum of society have risen to prominence,equitably assess their contributions to effortfully seeking possible ways to promote the prosperity of the intermetiate stratum.

With the world~wide rapid extension of international stratum and the development of socialist market economy, the intermediate stratum in our country is booming, featuring many qualities which are different from that of the middle class in western countries as well as other classes of current society in China.

As far as the levels of salary is concerned, the low proportion of consuming in wealthy stratum’s salary, the unstable anticipated expenditure of intermediate stratum, a lag in comsuming supply and the low salary of poor stratum are the most.

On the Unity of Constructing Harmonious Society and Expanding Middle Class;

On China middle class and its society effect;

Simply Analyzing the Present China s Middle Class;

Enlarging middle stratum is the necessary requirement for constructing socialism harmonious society;

Development of middle stratum during society transition period in our country;

Using the appraisal scale of synthetic social status,it measured the social status of Shanghai residents and made an analysis of the sports recreation manners of shanghai middle stratum.

Recently,the intermediate strata as an emerging social stratum have attracted the scholars widespread attention.

Since reform and opening- up over the past more than 20year,the social structure of our country changed deeply,a remarkable characteristic among them is the developing and strengthening of the intermediate strata.

According to the theory of social stratification and differentiation, taking Chinese characteristics as background, this thesis is mainly concerned with the connection between intermediate strata and social development on the basis of understanding of social development in Beijing rural area.

In the later half of the1 9th century,the new stratum,namely,the Middle Class,came into existence in France.

Since the middle class is the most important force of maintaining social stability in any society, the author points out, measures must be worked out to change this situation.

When the social structure has undergone a period of annexing, the middle class in our country is coming into shape gradually while developing quickly.