On Analysis of Critical Discourse

This paper explores the theoretical origins of critical discourse analysis.It also analyzes the re- search methods and scopes of critical discourse analysis.Finally this paper predicts the research significance and future of critical discourse analysis.The author argues that critical discourse analysis is becoming a focus in the linguistic academic circle.Critical discourse analysis can help the public realize the reality of hidden power and ideology in and behind discourse.Critical discourse analysis is of great importance in terms of the fooling and dis- torting features of authoritative discourse to the public.The main task of critical discourse analysis is to improve the public's sensitivity of public discourses and texts and foster the public's critical discourse instinct and aware- ness.