20世纪后期以来,美国社会在经济、政治与文化的不断发展下,尤其是911事件之后,美国的文学的主题特征也随之发生了变化。本文从时代背景、以及其变化的三个显著方面来进行分析,即平等意识主题的崛起、由对自身的关注转向对全球的人文关怀和对上帝、生命的关注转向普通的人伦。 Since the latter part of the 20th century, American society has also changed its thematic characteristics of the literature after the continuous development of economy, politics and culture, especially after September 11th. This article analyzes the background of the times and three significant aspects of its change: the rise of the theme of equality and awareness, and the shift from concern for oneself to concern for humanity worldwide and the concern for God and life toward ordinary beings.