佛教以其博大精深的文化品位，建立了独特的生存观理论，以空幻观、无我观、五蕴和合观等深刻地影响了古代梦幻主题小说的创作。追本溯源，外域佛教故事成为中土梦幻主题小说的原始母题。前人多认为梦幻主题小说受本土道教出世思想及虚主义的影响，视之为“庄生寓言之类”，本文则拟从佛教生存观的视角探讨梦幻主题小说的佛教影响。 Buddhism, with its profound and profound cultural taste, has established a unique theory of the concept of existence and has profoundly influenced the creation of the ancient fantasy theme novels with illusion, non-self, five aggregates and syncretism. Tracing the origin, foreign Buddhist stories become the original motif of the fantasy fiction of the earth. Many forerunners think that the fantasy theme fiction is influenced by the Taoism and the imaginaryism of the local Taoism, which is regarded as “Chuangsheng’s Fables and the like.” This article intends to explore the Buddhist influence of the fantasy theme fiction from the perspective of Buddhist existence.