It represents the main opinions of men of letters and senior officials in feudal China that DU Mu Commandered LI Kan s mouth in his “Epitaph of LI Kan”to attack the poems of Yuanhe style by YUAN Zhen and BAI Ju yi,and Which marks the tramsmutation,with important critical siynificance,between middle and late of Tang Danasty.

This paper probes into the cause of final madness of the heroine "I" of the novel from three aspects of neo-historical criticism,that is,the influence of the writer s life experience on the writing of the novel,the background of writing,especially the middle class women s status quo in the 19th century,and the their dual oppression coming from the society and male,which is reflected in the novel.