Pun, as a common rhetoric, can enrich language expressions and enforce the effect of language. In everyday life, it is widely used in communication and literature works. In this paper the author explores the usage and English translation of puns in The Dream in the Red Mansion;and it combines examples with the analysis of its English editions translated by Yang Xianyi and Hawkes ,and makes the following conclusion: the comparative analyses should be done from semantics, pragmatics and culture in the English translation of puns and appropriate methods sh...