《人性的污秽》是美国当代犹太作家菲利普·罗斯近年创作的“美国三部曲”的最后一部。本文通过分析小说中四个主要人物科尔曼、福妮雅、德芬妮和莱斯的身份危机,揭示当代美国社会人们普遍面临的精神危机,表达了对人类追求自由的希翼。 “Contamination of human nature” is the last part of the “American Trilogy” that American contemporary Jewish writer Philip Rose wrote in recent years. By analyzing the crisis of identities of the four main characters in the novel, Coleman, Forniya, Stephanie and Rice, this article reveals the general crisis faced by contemporary American society and expresses the hope of pursuing freedom for mankind.