The situation of social governance in Beijing can be measured by the four secondary indicators and the twelve tertiary indicators of the leadership of the Party Committee，the dominant of the government，the participation of people’s organizations，social organizations，enterprises and institutions as well as mass prevention and treatment in the capital. According to the significance of each subject to social governance，the report determines the focus and makes the evaluation through the methods of network retrieval，document collection，questionnaire survey and so on. The evaluation results show that under the leadership of the Party Committee，the government has played a strong leading role，people’s organizations，social organizations，enterprises and institutions have all participated in social governance to varying degrees，mass prevention and treatment in the capital has achieved certain results and the pattern of social governance in Beijing has been initially formed. But at the same time，there are some problems such as the long-term institutional mechanism for people’s organizations，social organizations，enterprises and institutions to participate in social governance has not been well established，the participation in social governance by mass prevention and treatment in the capital has been insufficient，mass prevention and treatment brand building still needs to be strengthened and other issues. It is necessary to adjust and improve the system mechanism and so on in order to better realize the social governance pattern of co-construction，co-governance and sharing.