Abstract: As well as verbal language,non verbal language is another mature and effective way of human communication, which influences the result of interpersonal communication activities to great extent.Non verbal language can send out rich and different information and meanwhile the same information can be sent out by many different ways of non verbal language. We should adapt our non verbal language according to different communicative counterparts, on the other hand,it’s also useful to analyze and study the non verbal language of our counterparts, correctly get the real information it conveys, so as to avoid misunderstanding, reduce the uncertainty and reach the expected result of interpersonal communication.