Abstract: Dichotomy of politics and administration has always been the focus of argument in public administration in the past one hundred years.Frank Johnson Goodnow points out the due functional boundary between them，and emphasizes coordination of the two for the effective implementation of the state will.From the logic of his thought，it can be found that the macroscopic concept of organic state contains the above theme.To realize the will of sovereign，the government needs to abandon the absolute separation of authorities to promote the systematical correspondence of the function of politics and administration in practice.The theory of politics-administration dichotomy actually contains the quality of coordination，which is still significant in the social and economic governance today.

Key words: politics, administration, dichotomy, state function, coordination