With the improving of city resident’s living standards，the city leisure activity is becoming more and more popular，the leisure economy is more important to city sustainable development. This paper introduces the status and trend of city leisure in China;it also analyzed the current main leisure activity and feature of Chinese city residents. This paper presents a evaluation system based on the analysis as mentioned above. This evaluation system consists of 26 evaluation indexes of four groups，the urban leisure，suburban leisure，community leisure and family leisure. On this basis，using principal component analysis modeling method and the support vector machine method，the city leisure function were evaluated.