《回声制造者》是鲍尔斯以一个离奇的故事情节为线索展开的一个关于主人公对自我的寻找及探讨的故事。本文从心理创伤的理论视角分析了《回声制造者》中三个主要人物即马克、凯琳和韦伯在马克的创伤治疗中所经历的身心挣扎及成长过程,并从个体自我的探求进一步分析了911事件后美国社会对文化身份的认识,以此进一步解读小说所呈现的宏大主题——生存问题。 Echo Maker is a tale of Bowles’s search for and exploration of the ego by a bizarre story line. This article analyzes the mental and physical struggles and growth processes of the three main characters in the Echo Maker, Mark, Kailin and Weber, from the perspective of psychological trauma and further analyzes the individual’s self-exploration After the September 11 Incident, American society recognized the cultural identity, so as to further interpret the ambitious theme presented by the novel - the issue of subsistence.