With the frequent occurrence of various public emergencies，There are huge challenges to the social public safety. The new requirements for the science popularization services supply had been put forward. The article starts with coping with the status quo and challenges of the science popularization ability to handle emergency public events，and proposes to improve the service system，strengthen policies and regulations，enhance the construction of science popularization positions and talent teams，strengthen the integration of information resources，and expand the main activities of science popularization to prevent and resolve major risks. Suggestions to enhance the supply capacity of Beijing science popularization services.