澳大利亚女作家考琳·麦卡洛所著长篇小说《荆棘鸟》,1977年出版后,在世界各地的读者中倍受青睐。为了对拉夫尔的双重人格做出新的阐释,加深读者对该人物内心情感与理性冲突的理解,本文从精神分析的角度,运用弗洛伊德的人格理论学说,具体分析拉夫尔精神上本我、自我、超我的发展过程和特点,并阐释了其双重人格是由于其本我对多个追求对象的认同和同化的结果。 Australian novelist Colleen McCullough’s novel The Thorn Birds, published in 1977, has gained popularity among readers worldwide. In order to make a new interpretation of Ralph’s double personality and to deepen the reader’s understanding of the person’s inner feelings and rational conflicts, this article uses Freud’s theory of personality theory from the perspective of psychoanalysis to analyze Raffle’s spirit I, self, super-my development process and characteristics, and explain its dual personality is due to its identity and assimilation of multiple pursuit of the results.