Abstract：In view of the current lack of research on the social assessment of the squatter settlement rebuilding project， this paper introduces the definition and quality of the squatter settlement rebuilding project，as well as it’S par— ticularity of social assessment，introduces the difference between econimy assessment and social assessment of the squatter settlement rebuilding project，researches its social eficiency it Can survive，takes the mining squatter settlement in one district of Chongqing for example，chooses the ． evaluation factors and analyzes its main content of social assessment SO as to set an assessment index system of social assessment on the squatter settlement rebuilding pro— ject；carries out the social assessment on the mining squatter settlement rebuilding project in one district of Chongqing concretely with the method of fuzzy assessment mode as to complete the social assessment system，and at the same time provides a reference for the social assessment and feasibility study on the similar project．