This paper,based on the traditional pragmatic model by Grice and Leech and then the cognitive pragmatic model that is the echoic interpretation theory of irony by Sperber &Wilson,attempts an analysis on pragmatic characteristics of irony combined with English and Chinese examples,thus for better facilitation of our verbal communi.

The shared knowledge logic and conceptual notion of an epistemic community will reach to common policies and promote its practice.

Discussion on cognitive model of natural disasters;

A Cognitive Model of Second Language Acquisition;

This paper illustrates politeness principle and politeness strategy from cultural angle,analyses the implied meaning of its cognitive models,and comprehends the utterance meaning of pragmatic principles.

A Research on the Cognitive Mode of the Technical Investigation;

The paper analyzes the phenomenon of this pragmatic error from the aspects of the language consciouseness,the communicative habits,cognitive mode and the variations of pragmatic rules of two languages.

,but pays much little attention to factors of internal management,especially to cognitive mode of senior managers.