“陌生化”理论是俄国形式主义批评流派提出的重要概念,俄国形式主义者认为文学的文学性是通过“陌生化”表现出来的,是艺术形式的“陌生化”使文学的文学性获得了实践的价值。文中用“陌生化”理论分析了玄学影响下的魏晋游仙诗发展过程中的三种变化,从而证明了俄国形式主义所提出的研究文学的理论值得很好地深入研究。 The theory of “defamiliarization” is an important concept proposed by the schools of criticism of Russian formalism. Russian formalists think that the literary nature of literature is manifested through “defamiliarization.” The “defamiliarization” of the form of art gives the literary character of literature The value of practice. The article uses the theory of “defamiliarization” to analyze three kinds of changes in the development of Wealth Fairy poetry under the influence of Metaphysics, which proves that the theory of research literature proposed by Russian formalism should be well studied in depth.