E.L.多克托罗是美国著名的后现代派小说家,享有“激进的人文主义者”和“新历史主义者”的美称。作为第三代犹太裔移民,多克托罗的犹太性主要体现在他对保护犹太种族和犹太文化的关注和探讨。作品《世界博览会》正是对犹太文化和犹太身份选择的展现。本文试从霍米·巴巴杂糅理论入手,深度剖析小说中三类女性形象,即坚守犹太传统文化的外祖母及母亲罗兹,犹太身份逐渐丧失的莫莉,以及将传统文化和美国主流文化融合形成的 E.L. Decooke is a famous American postmodernist novelist who enjoys the title of “radical humanist” and “neo-historicist.” As the third generation of Jewish immigrants, the Jewish nature of Doctorate is mainly reflected in his concern and protection of Jewish ethnicity and Jewish culture. Works “World Expo” is exactly the choice of Jewish culture and Jewish identity. This article tries to analyze the three types of female images in the novel from Homoey Baba’s hybrid theory, that is, the foreign grandmother and mother Rhodes who adheres to the Jewish traditional culture, Molly who gradually lost Jewish identity, and the traditional culture and the mainstream American culture of