This book mainly analyzes the major issues at all phases of the transition of urban-rural relation, as well as measures adopted by the transition launcher in face of such issues, including not only the system and policy design of the national and local government, but the countermeasures of basic-level units at urban and rural areas and the people. Through reference of the social structure and social behavior, it proposes "opportunity structures", "interactive mechanism" and "behavior strategies" for different periods, which to some degree promotes the transition of urban-rural relation and brings in new, more complicated issues for the development. It is under the impact of such new and existing issues that big problem follows when the urban-rural relation steps onto a new stage, showing several paths and practices different from the general urbanization and modernization theories.