语言具有模糊性,人类语言中存在大量模糊现象。模糊语言并不是语言使用的缺陷,而是灵活运用语言的一种表现。本文从语用学角度探讨模糊语言在合作原则,礼貌原则中的运用,进而指出模糊语言的运用是一种交际策略,恰当、合适的使用模糊语言能够帮助人们更好的进行交际。 Language is ambiguous, there are a lot of vague phenomena in human language. Vague language is not a flaw in language use, but a manifestation of the flexible use of language. This paper discusses the application of vague language in the principle of cooperation and politeness from the perspective of pragmatics, and then points out that the use of vague language is a communicative strategy. Using proper and appropriate vague language can help people to communicate better.