Dai Mingshi is an old text scholar living in the early Qing Dynasty. He is famous for his ancient prose and old literature creation. However, he has been killed for the “Namshan Collection” and the descendents tried to avoid it, and then his works could not been well discussed and clarified. Since the eighties of last century, study of Dai Mingshi has achieved some success, but there is still room for thorough. In this thesis, on the basis of the results of previous studies, trying to make further efforts to study of Dai Mingshi. Due to Dai Mingshi’ aim for the history-writing, he admires the style of Historical Records. He once proposed the rules of researching histories and thought that the scholars should obey four tips “easonable, road use, pass, showing emotion”facing the history. The first part requires “aoism, legalism and diction all three qualities” The second part requires “eading many then integrating into one” The third requires “prit and energy mixing in one” The fourth part requires “he rate of its nature and its nothing” Then Dai Shiming also proposes the “riting ancient prose with the method of fashionable prose”according to social reality. And all influence on Tongcheng School.It is the influence of Fang Bao’ “octrine of Yifa”Liu Dakui’ sprit theory,Yao Nai argues that poetry and prose show the justice and reason.