Jiuzhang Sentinel Police Patrol Robot Dog is built with an intelligent mission brain and modularly integrated panoramic camera and loudspeaker. It features core capabilities including fully autonomous patrol, precise personnel surveillance, remote visual command and officer accompanying support. Centered on the philosophy of human-machine collaboration and intelligent efficiency improvement, the equipment enhances initiative, accuracy and all-weather response of public security prevention and control in complex scenarios. It helps build a three-dimensional social security prevention and control system that combines peacetime routine and wartime emergency with intelligence and high efficiency, offering solid support for the modernization of public security work and intelligent grassroots governance.