With the rapid development of urbanization，the new-type city community construction has unprecedentedly been advancing. In the process of social change and development，the problems of displacement and resettlement of the“new citizens”pose grew challenge to social construction and management. It is uncertain about the adaptation of the“new citizens" to the new city community environment and the construction of the new-type city community. Based on the relevant theories and research findings，the paper lakes a typical dualistic farm's urbanization community change for instance to uncover evolution value of the community displacement and resettlement in the the process of social change. It is found that the transition from a dualistic farm to a new citizen” community not only poses new challenge to community conslruction,but also makes the“population urbanization" an gent task.Therefore,it becomes the main thene of “new citizen" community construction to promote the social management structure reform,to reinforce social construction and to put the “population urbanization" theory into practice.