The basic way to deal with the body and desire is to politicize, displine and encode it with Marxism grand narrative in revolutionary canonical texts. Marxism grand narrative representing, however, in post-revolution era, micro-cultural politics falls into aporias because of contextual differance in politics, thus epistemological rupture comes into being. Bottom narrative, in recent years, deterritorializes body, politics and sexuality and becomes micro-politics. The trace of biopolitics in textual desire is delved, thick description of encoding way to heterogeneity by comparison of the two different leftism texts on the relation armong body, politics and sexuality on the basis of the exact analysis of text signifier of the novel Boy by means of epistemological rupture.