There are abound with the deconstruction of classic works in recent years, among which Updike's Gertrude and Claudi-us is undoubtedly an impressive one. Updike completed the antecedent part of Shakespeare's play Hamlt. Noticeably, this new pre-quel of Hamlet, from the mindset of female, takes Queen Gertrude as the narrative center and airs Gertrude's psychological states to break the confinement of female discourse in Shakespeare's plays. Hinged on Foucault's theory of power and discourse, this pa-per attempts to analyze how Updike manifests women's endeavors to assert preserve and construct their discourse, break the apha-sia and even challenge the voice of male authority by elucidating the interactions between Queen Gertrude and other crucial male roles in the full text in order to navigate readers in-depth to scrutinize the changes of women's social status in different era.