Thus,the old people s active engagement in the scientific health?keeping activities as well as the social help does play a significant role in improving the old people s life quality and alleviating the related serious problems confronted by both the family and the society.

It is important to have a sound social idea of love for building of socialist culture and ideology, and keeping of social stablity and solidarity without it.

Analysis of social relationship construction between firms in cluster based on repeat game;

The review and prospect of knowledge transfer based on social relation;

The Role of Non-government Organization in the Reconstruction of Social Relation;