New historicism rise in the discourse field of postmodern culture and gradually developed the special quality of cultural poetics in communicating with other critical theories. In the pan-cultural criticism of history,new historicism advocates the turn from literary text to cultural forms and construct the cross-disciplinary methodology,while in the historical criticism of culture,it requires the circulation between various critical theories and aims at the cross-discourse criticism. From the practice of critical transgression to the concept of discursive oscillation,new historicism in fact promotes an certain critical logic of perspectivism,and has further constructed the dialogic poetics of its own theoretical discourse.