“陌生化”手法是制造出文学作品“疏离”效应,增加读者感知的困难,从而延长并加强感知过程的一种重要手段。文学作品的“陌生化”可以通过情节安排、修辞手段的运用和写作手法的多样性等文学手段实施。《道连.葛雷的画像》是爱尔兰作家奥斯卡.王尔德的名篇,笔者从情节、修辞和语言等三方面系统阐述了“陌生化”手法在作品中的应用,进一步解析了王尔德唯美主义文学观的实际体现。 “Defamiliarization ” is an important means to prolong and enhance the process of perception by creating the “alienation” effect of literary works and increasing the readers’ perceptions. The “defamiliarization” of literary works can be implemented through such literary means as the plot arrangement, the application of rhetorical devices and the diversity of writing techniques. The portrait of Dorian Gray is a famous piece of Irish writer Oscar Wilde. The author systematically expounds the application of “unfamiliar ” techniques in his works from the aspects of plot, rhetoric and language, and further analyzes the aesthetic features of Wilde’s aesthetic The Practical Expression of the View of Literary.