本文将从弗洛伊德的“三我”人格结构理论出发,分析茨威格的心理分析名篇《一个女人一生中的二十四小时》,主要着眼于C太太由自我、超我到达本我的跨越过程,从环境、借口、冲动三个方面剖析其中的转换条件,探讨这一过程的艰巨性和偶然性,从而发现“三我”人格之间的制约与平衡。 Based on Freud’s theory of personality structure, this article analyzes Zweig’s psychoanalytic essay “The Twenty-Four Hours of a Woman’s Life”, focusing on Mrs. C’s self-sufficiency and self- Reach the transcendence process of my self, analyze the conditions of conversion from three aspects of environment, excuse and impulse, discuss the arduousness and contingency of this process, and find out the restriction and balance between “three self ” personality.