This paper studies the historical origin and evolution of“daizhao”,finds that in the Qing Dynasty,“daizhao”became common artisan“barbers”from middle and high rank officials,briefly discusses the historical and cultural causes and processes for this phenomenon,reveals that the change of“daizhao”in the Qing Dynasty is related to the historical tendency of social rule transformation into social administration and social governance mode,and further points out that in the process of the construction of modern national governance system,how to use the history as a reference to break the intense relative opposite simple dual structure of“officials”and“civilian workers”efficiently and sustainably deals with the social problems of“unwilling to do,unable to do better or unable to do sustainably”between governments and pure private departments by taking the advantage of the power of“the third department”so as to promote the degree of social harmony.