After comparing urban-rural integrated development mode of southern Jiangsu Province with practical mode of Shanghai and integrated urban-rural environment practical mode of France in the perspective of development condition, development priority and development mode, this paper reveals that urban-rural integration is a consistently developing dynamic process with the developing of regional condition and development stage and is unified between goal and process and is a changing systematic engineering. In the progress of urbanization, market power and government management have their role separately and support each other.