Euphemism is one of the most important components in English. It plays a significant role in communication. Many people abroad such as Leech, Rawson etc have done researches on it. However, the pragmatic functions of euphemism are seldom included. So this paper mainly discusses the pragmatic functions of euphemism, its connection with Cooperative Principle,Politeness Principle.The purpose ofthispaperis toprove theconnectionbetweeneuphemism and pragmatics and to hint the importance of euphemism in communication and ForeignLanguage Teaching. Many plays abroad such as Leech, Rawson etc have done researches on it. However, the pragmatic functions of euphemism are seldom included. So this paper mainly the pragmatic functions of euphemism, its connection with Cooperative Principle, Politeness Principle. The purpose of this paper is toprove the connectionbetweeneuphemism and pragmatics and to hint the importance of euphemism in communication and ForeignLanguage Teaching.