《五号屠场》是美国小说家冯内古特的代表作。在作品中,作者娴熟地运用种种后现代小说技巧,向读者展示了一个充满不确定性的后现代世界和作者本人对人类生存困境和出路的深刻思考。本文以后现代主义作品主要审美特征一不确定性为切入点,对《五号屠场》主题的不确定性进行文本分析。 “Slaughterhouse # 5” is a masterpiece by American novelist Vonnegut. In his works, the author skilfully uses all sorts of techniques of postmodern novels to show the reader a postmodern world full of uncertainty and the author’s profound thinking on the predicament and way out of human existence. This article takes the uncertainty of the main aesthetic characteristics of the post-modernist works as an entry point, and makes a textual analysis of the uncertainty of the theme of “Slaughterhouse No. 5”.