萨特的《苍蝇》是一部存在主义在戏剧上的代表作。对于萨特的这部早期作品 ,一般都是从存在主义角度来理解 ,因而都忽略了马克思对他的影响。本文作者在对《苍蝇》同时期的萨特思想及其胡塞尔、海德格尔思想的比较分析之后 ,联系萨特晚年的自述 ,确认萨特此时不仅接触过马克思著作 ,而且不自觉地接受了马克思的影响。就《苍蝇》而言 ,这种影响主要表现在三个方面 :(1)贬损神道 ;(2 )超越“彼岸” ;(3 )重视实践 Sartre’s “flies” is an existential masterpiece in theater. For Sutter’s early work, his understanding of existentialism generally neglected Marx’s influence on him. After a comparative analysis of Sutter’s thoughts about “flies” and his thoughts of Husserl and Heidegger, the author of this article contacted Sartre’s self-report in his later years to confirm that Sartre had not only exposed Marx’s works at this time, but also unconsciously accepted The impact of Marx. In terms of “flies,” the impact is mainly manifested in three aspects: (1) derogatory Shinto; (2) beyond “the other side”; (3) emphasis on practice