Abstract: A delicate employment of pun is one of the important ways to enhance the liveliness and artistry of the language.A proper understanding of pun lies in rich experience, careful observation and rich imagination.Appropriate and originated pun could clarify reasons and sharpen judgement on the basis of humor.In terms of the definition of pun,this paper makes an analysis of pun in English and Chinese,disclosing the beauty and comprehensive meaning in pun.