The present disclosure provides a protection apparatus for a galvanometer laser system, including a system constituted by a galvanometer motor and a laser, wherein the apparatus further includes a protection device, the protection device including a monitoring element and a control element; wherein the monitoring element includes a current monitoring module configured to monitor an operating current of the system, a position monitoring module configured to monitor a swing position of the galvanometer motor, and a temperature monitoring module configured to monitor an operating temperature of the galvanometer motor; the control element includes a signal control module connected to a signal input terminal of the system, a laser switch module connected to the laser, and a galvanometer drive module connected to the galvanometer motor, a predetermined output signal being transmitted via the signal control module to the system; and based on various monitoring data of the monitoring element.