The key to success of Three Gorges Project is the migrant resettlement, while the resettlement planning and effective organization management is the guarantee of smooth implementation of resettlement. In the process of resettlement planning and implementation, through the establishment of systematic legislation and document support system, introduction of environmental capacity analysis and assets appraisal methods, the scientific site selection, and correct grasp of the relationship between resettlement compensation and local development, preparation of reasonable resettlement schedules are carried out; through the establishment of efficient management system and capital management mode of "static control and dynamic management", as well as the timely adjustment of plan according to actual conditions, the resettlement is completed smoothly. Therefore, the social stability of reservoir area is ensured. The economic development of reservoir area is promoted and the improvement of legislation, regulations and techniques for land requisition and resettlement is promoted. The theory and prospective work of resettlement are discussed.