Abstract: With the promotion of urban renewal and livable city construction, modern cities not only emphasize the improvement of infrastructure and economic growth, but also pay more attention to improving the quality of life and happiness of residents. In order to explore the impact of urban built environment on residents' happiness, based on the urban physical examination data of Wuhan city in 2023, this paper analyzes the key factors affecting residents' happiness by using the ordered logit model from the perspective of residents' subjective perception of the city. The research results are helpful to further explore the actual needs of residents and the shortcomings in urban construction, and provide a reference for building a sustainable livable city.