Rhetorical devices are kinds of literal form of expressions.Their application is to make the idea more striking and effective,for they have the strength to express and illustrate.An appropriate rhetorical device appeals to the imagination,gives us vivid pictures and makes the written English impressive and interesting.For this reason,written English often uses various rhetorical devices to improve the readability and attract readers' attention and to arouse readers' interest of reading their materials.This paper mainly discusses common rhetorical devices in written English so as to help readers understand the written materials better.
