Abstract: The post-project evaluation is regarded as an essential contributor to sustainable development of land consolidation. Based on the analysis of economic benefit, social benefit and ecological benefit, social impact of land consolidation projects was received much attention. Taking nineteen land consolidation projects implemented as cases, this paper analyzed the social impact of land consolidation post-project by the analytic hierarchy process, entropy method and fuzzy comprehensive evaluation based on field investigation and data processing. The results showed that the social impact in Chongqing was positive after implementation of land consolidation project, but it was not obvious. As a result, it is urgent and essential to adjust and optimize the policy arrangement of land consolidation at present.