There are three parts in the article:firstly,reviewing the theories of modern discourse philosophy and its three schools;secondly,reviewing the theories of post modern discourse philosophy and its three schools;thirdly,reviewing communication practice paradigm changes of discourse philosophy a new exploration of exceeding modern and post modern discourse philosophy.

This paper summarizes the principal fruits of the study on the linguistic theories in each period from traditional linguistics to contemporary linguistics,which is analyzed as the background of the birth of postmodern linguistics.

But in the context of the post-modern philosophy,the body has lost its individual nature,mysterious nature,poetry nature and its value dimensional degree and meaning function linked with the ultimate meaning and is theorized,structuralized and politicalized.

Harmony thought in post-modern philosophy has new characters: the nature of harmony is dependent on the variety of existence value,and diversifications of existence value trends.

Pluralism is one of the essential characteristics of post-modern philosophy,whose occurance is a reaction of monism of west culture in west traditional metaphysics when getting involved in difficulty in post-modernism because of its many defects.