The invention belongs to the field of 
automation, in particular to an automatic signage 
hooking system which includes a 
manipulator, a hook taking-off device, a positioning device, a wire transmissiondevice, a signage suction mechanism and a control device, the wire transmission device is used for outputting the wire to be marked, the signage suction mechanism is used for sucking the signage andmoving to the hook position, the hook taking-off device is used for clamping a hook and hanging the signage on the hook, the 
manipulator is used for hanging the hook with the signage on the wire, thecontrol device is connected with the 
manipulator, the hook taking-off device, the positioning device, the wire transmission device, and the signage suction mechanism, and the positioning device is used for obtaining position information of the wire to be hooked with the signage; and the control device is used for controlling the manipulator, the hook taking-off device, the wire transmission device, and the signage suction mechanism according to the position information obtained by the positioning device.