Abstract: To discuss living adaptability of relocated people of Three Gorges Reservoir in cities, 17 variables pertaining to the living adaptability of the relocated people were designed through visiting communities and consulting with experts, and a quantitative description was conducted based on the analysis of citinization factors and the regression model. The results show that the relocated people's living adaptability is closely related to social security, relocated people's psychology, interpersonal relationship and skill training. It is advisable to further improve social security system for reservoir migrants, innovate professional training modes, increase relocated people's social capital, enhance community working mechanism so as to realize relocated people's sustainable development.