Abstract: The treatment of left-over problems of reservoir resettlement has improved the living conditions of the resettlers, socioeconomic development of resettlement area achieved remarkable results. The study makes the fuzzy analysis of resettlers’ life of reservoir area of Yantan hydropower station after the treatment of left-over problems. The study results show that the treatment of left-over problems has had a positive influence on the improvement of the living standard of resettlers, resettlers’ living standrads of both Dahua, Donglan and Bama have improved in some degree. To deal with the problems produced in the process of treating left-over problems, put forward to accelerate the implementation of projects, strengthen the ability construction of resettlement management departments, resettlement off-side relocation etc.