Environmental collision's positive function is that: intense and antagonistic social contradiction between us compels people to.

The positive and negative functions come along,but the positive function is always dominant.

The cellular phone is not only characterized by such positive functions as speedy transmission of information,cheapness,interaction and security,but also has such negative functions as the lawless sending harmful messages and practicing fraud by means of messages.

This article discusses the concept of education suburbanization and its motivation mechanism and makes a functional analysis of education suburbanization in urbanization process.

Compared with the system of administrative process,administrative procedures have a series of functions to adjust the system,including the promotion of the administrative process of democratization and rational,rule of law,and so on.

Rural mass events, as one of the main forms of social conflict in society transition period, have attracted many people’s attention and more and more related researches have been proceeding while professional study on its positive functions is still to be advanced.

The functions of general relief procedure in criminal procedure can be classified into positive functions and negative functions,and the positive functions can be classified into functions as objective and functions as by-product.

If processing from the positive and negative function of science of media,hidden interviewed has both functions.

Manifest curriculum and hidden curriculum make up the actual curriculum in schools; From the point view of psychology, hidden curriculum plays important roles in education; The functions of hidden curriculum can be positive and negative; While fulfilling the objectives put forward in the latest curriculum reform, we must regard the positive functions of hidden curriculum as a fundamental resource.