This paper make use of the investigation data on time allocation made by Research Center of Leisure Economy of China，Renmin University of China between 1996 and 2016 to analyze the changes in Beijing citizen’s living style during the 20 years. Deep changes have taken place in Beijing dwellers’ living life. From the daily time，the working time is shortened and the personal needed time is greatly increased. Although the average weekly leisure time has decreased，but with the implementation of paid leave system and the national holiday system reform，residents have more and more annual leave. The increasing of the frequency and the expenditures of leisure activities shows residents’ consuming ability have been developed.