The characteristic of its literary history research lies in describing the actual evolutionary process of literature and culture,unfolding the "discourse groups" of literary tradition.

Doctor Tan sets forth the concept of “dialogue group”,as one society study method,it is very significative in Organization Communication and Mass Communication.

Doctor Tan attempts to regard the “dialogue” that be represented concerning one sort of social phenomena or social behavior in various estate as a integer in his bookmaking “social variance in centuries-old village——one lab in analyse of‘dialogue group’”,he obtain thereout the study of “dialogue group”.

The basic analysis pattern in dialogue group theory is " dialogue group - behavior", this is a kind of burgeoning social changes observation pattern and analysis pattern.

On News Source and Principal Part of Discourse;

Being brought about stereotype,the reading expectancy is thus the principal part of discourse in the misinterpretation of movie and TV serials.

In the course of comparative education development,as an independent disciplinary token, discourse system has appeared some deflection in reality and tended to hinder the development of comparative education discipline.

In the contemporary era, the research on writing theory can be divided into three discourse systems in China, which are related but different: The first system takes text as basis,the second takes the writer as basis,and third takes writing as a composition which is both dynamic and static, both three—dimensional and open.

The important reasons for these defects are biasing discourse system and the missing external image.

Concealing personality and publicizing group,the novels of liberated area,which came into being in a special social historic context,embodies conversion of collective discourse.