Information technology progress makes urban residents have more discretionary time for leisure, therefore, the mankind is entering into the recreation era. At the same time, the diffusion and penetration of network and information technology have brought tremendous changes to the entertainment patterns and behaviors of urban residents, as a result, the online leisure activities by taking information technology as the terminal become more and more important enjoyment method for the urban residents. The database is set up based on the questionnaire of the resident behaviors in Nanjing City at mobile information era. The socioeconomic attributes such as gender, age, occupation, income and education as well as the related data are correlated according to the demand, and the feature and expression of male and female, different ages, different professions, different income levels and different groups with different education degrees in three network leisure activities such as time spending, terminal use and online recreation function for online leisure are analyzed.  