In today＇s information age, the mobile phone short message has become a part of mordern life. Metaphorrhetoricis has highly being used.Through the format,the metaphor which are used in mobile phon are, not only about three basic formats--simile,metaphor,metonymy; but also about changing format--megametaphor, compared metaphor,antimetaphor,allusions and so on. Through the flexible use of all kinds of metaphor rhetoric, mobile phone short message shows a new significance.