Abstract: Exploring the relationship between the number of Tian,man and politics in DONG Zhongshu's theory from the dimension of numbers help to establish a new way and paradigm for the study of DONG's philosophy,to probe the development direction and level of Confucianism in the early Western Han Dynasty (206 B.C.—24 A.D.),and to reassess the value and historical status of DONG's philosophy.Following the path of exploring causes,narrating knowledges and clarifying changes,the theoretical framework and value orientation of the DONG Zhongshu's philosophy of number are restored and reconstructed from the perspective of hermeneutics.His philosophy is based on the internal relationship of “man” and “politics” unified in the “the number of Tian”.The relationships of “Tian and man” and “Tian and politics” is established by DONG on the basis of numbers and comparing numbers,so they should not be interpreted only from the perspective of religious beliefs and political theology,as in DONG's theory embeds the theoretical motivation of seeking moral rationality and institutional rationality for “man” and “politics” by borrowing natural rationality through comparing with the number of Tian.In DONG Zhongshu's perspective,the number of Tian is the origin being that runs through “man” and “politics”,and is the value origin of human virtue and political rationality.From the mysterious concept Tian to the digital concept Tian,the emergence of “the number of Tian” has made the universe,the ethics and the political system in order.From the number of Tian to the number of body,the virtue of the number of Tian gradually appeared.From the number of Tian to the number of political system,the value of the number of Tian gradually expanded.Under the number of Tian,body and political structure acquire the basis and vitality of existence,as well as moral and institutional rationality.Because of the similar number system among Tian,man and politics,the number of Tian link up man and politics,then unity of Tian and man and unity of Tian and politics have a possibility,and the value of human and politics can be gradually expanded.

Key words: number of Tian, body, political system, philosophy of number, value dimension