Lanking safety switch and laser with same

The invention discloses a diaphragm safety switch and a laser device with the diaphragm safety switch, the diaphragm safety switch comprises a base body, the base body is suitable for being installed on the laser device, a cavity suitable for a laser device light path to pass through is formed in the base body, and a laser via hole suitable for the laser device light path to pass through is formed in one side, opposite to the laser device, of the base body; the galvanometer assembly is installed on the base body and can rotate between an opening position and a closing position, the galvanometer assembly is provided with a reflecting surface, when the galvanometer assembly is located at the opening position, a laser light path is allowed to pass through the laser through hole, and when the galvanometer assembly is located at the closing position, laser is prevented from passing through the laser through hole; and the laser absorption plate is installed on the base body, and when the galvanometer assembly is lo