1Introduction1
1BackgroundWiththedevelopmentofeconomyandblossomofmarketing,advertisingasagoodapproachtodisseminateinformationandpublicizeproductshaspenetratedintoeveryaspectofpeople’slife
NomatteryouareathomewatchingTV,walkingdownthestreet,turningonthecomputertosurftheinternet,listeningtotheradioatdriveorevenreadingnewspapersquietly,youareexposedtodifferentkindsofadvertisements
Alsoasalanguagephenomenon,advertisementshavearousedgreatinterestsoflinguiststodoresearchesfromdifferentperspectives
Formerresearchesaremainlyfocusedonexternalformsofadvertisements,analyzingthecharacteristics,functionsandtranslationsfromlexical,syntacticorsemanticangles
Metaphorasanimportantandwidelyuseddevicetoconstructadvertisementsdiscoursehasalsobeenelaborated,butmostlyisregardedasafigureofspeech,anornamentaldevi