Based on the dynamic monitoring data of floating population in China,considering the hierarchical clustering of data and the ranking of well-being,the hierarchical ranking model is used to study the subjective well-being of floating population. From the perspective of individual characteristics and community characteristics,this paper analyzes the impact of various factors on the well-being of floating population and analyzes the heterogeneity of well-being of floating population from the perspective of income.The study finds that the subjectiv...