Fortress Besieged is an unique style of satirical novel in the modern chinese literature history, hailed as“new The Scholars＆quot;. QIAN Zhong-shu made full use of the broad profound chinease culture, the infinite charm of the characters and creatively combined them with the Western text which made the excellent language art of the Fortress Besieged. There is a throughout kind of artistic technique behind the novel’ s language art--＆quot;defamiliarization＆quot;. It is not only the language, but also more permeated the author＆#39;s outlook on life and on the world so that it became a kind of self-consciousness, affected the author＆#39;s creation. This paper attempts to analyze the novel from the defamiliarization of writer subject consciousness, awareness of discourse level and aesthetic level, deeply appreciate the profound implication of Fortress Besieged.