Deng Xiaoping s Theories of National Unity——Series of Deng Xiaoping s National Theories and Practice Studies;

National unity is very important to build up harmonious society.

Strengthening national unity and constructing a harmonious society is a major action for us to uni te various nationalities to strive for the joint development and prosperity,and to achieve the great goal of building a well-off society.

The formation of the idea of"nation"in the compound of"nation-state"is closely related with the emergence of the unique organization of"nations"in European universities in Middle Ages.