谭嗣同《狱中题壁》（望门投宿思张俭）一诗中“我自横刀向天笑，去留肝胆两昆仑”里的“两昆仑”所指为何，许多学者从不同角度进行了辨析，然而多种见解都程度不同地忽视了诗歌内在的整体含义。本文从诗歌本身的确指内涵入手，并结合谭嗣同的激进思想和“任侠”轻生性格综合分析，认为“两昆仑”一指诗人自己，另一指大刀王五。 Tan Sitong’s poem entitled “Two Kunlun Mountains” in the poem entitled “The Problem in the Wall of the Prison” However, many kinds of opinions all ignore the intrinsic meaning of poetry in different degrees. This article starts with the definition of poetry itself, and combines with Tan Sitong’s radical thought and “Ren Xia” personality analysis, that “one of the two Kunlun” refers to the poet himself, and the other refers to Wang Wu.