Abstract: After World War Ⅱ, post-apocalyptic fiction has blossomed in America, which is set in a world ruined by a disaster. In each era America produces much post-apocalyptic fiction concerning the existential disasters caused by plague, global nuclear war, energy crisis, climate change, terrorist attack and financial crisis. Although the qualities vary a lot, many of the stories have become the classics. As a full-fledged genre, contemporary American post-apocalyptic fiction has established similar style and features with unique narrative mode and cultural implication worth our attention and studies. This paper attempts to make a thorough analysis of contemporary American post-apocalyptic fiction writings and studies, in hope of pointing out the research direction for further studies in China.