With the maturity of artificial intelligence technology and the continuous enrichment of application scenarios，artificial intelligence technology provides new ideas and new means for solving urban public safety problems. In terms of urban public safety，the effective integration of artificial intelligence technology is conducive to improving the current situation of urban public security and creating a more secure，stable and harmonious space for public life. Artificial intelligence has made great achievements in maintaining public safety in cities，but there are also some security risks. It’s necessary for the government to consider the overall strategy，strengthen technological innovation，actively participate in international communication and cooperation，eliminate security risks，realize the modernization of governance system and governance ability，and further enhance the well-being and sense of gain of citizens.