Within the framework of Appraisal theory,this thesis attempts to do the discourse analysis of modern evolution of fe males'non-prototype characteristics through six versions of biographies of Wu Zetian(included Lin Yutang's Lady Wu,and Yuan Baidai's Wu Zetian) in modern times,which aims to uncover the implicit relationship of language and ideology of these different Wu Zetian's biographical versions composed by different authors with different genders and nationalities,which can evoke the readers resonance and affection towards them and reflect the interpersonal function between them by means of excavat ing the regularity of Attitude,Engagement and Graduation resources distribution.
