Abstract: In the western rhetoric,genre refers to typical rhetorical behaviors based on reoccurring situations,which is originated from the Western Classical Rhetoric and has developed into two camps presently,i.e.,the Linguistic School and the Non-linguistic group.And studies in western countries have proved that genre-based English writing pedagogies,especially those based on Writing across the Curriculum,can help students improve their English writing abilities dramatically.Therefore,English composition teachers i...