Guozi intelligent security robot is an autonomous patrol device utilizing multiple intelligent technologies to give it the ability to move autonomously, recognize video and audio, warn about danger situation and manage the parking lot. It is a multi-functional security platform that can help safe guards to finish the inspection and patrolling in important areas. It can also cooperate with cameras and collect data to construct an entire security system. Using of security robots can avoid many disadvantages caused by manual patrolling. Security robots can provide the required security level for intelligent cities, large warehouses, intelligent neighborhoods and various business complexes, etc.