A dream of red mansions e a tragic hero. But JiaFu poponent. In the history of the development of his thoughts, in dialectical relationship but ic relations on the basis of the analysis. With the essence of tragedy from the historical link up interpretation of a dream of red mansions tragedies, we can notice a dream of red mansions the tragedy of the rich connotation. From the society, well split noticed the clastruggle, From the inevitable requirement of history with the requirement of virtually impossible realization of the conflict between the tragic, we can notice of a dream of red mansions liberation （or suitable unfettered） historical plight, From the perspective of alienation, this kind of tragedy in a dream of red mansions is more common, the Angle of the subject to transcend.