A transfer robot for accommodating and transferring a transferred object has a transfer route storage section, a movement mechanism section, and a security level setting section. The transfer route storage section stores a transfer route having been set up at least on the basis of transfer destination information for the transferred object. The movement mechanism section causes the transfer robot to move toward a transfer destination on the basis of the transfer route. The security level setting section switches a security level of the transfer robot under movement on the basis of a zone level defined beforehand by each region in the transfer route, present position information of the transfer robot, and type information of the transferred object.