Optical module with unlocking early warning function and use method

According to the optical module with the unlocking early warning function and the using method, the lever is arranged on the base of the optical module, the inclined groove is formed in the lever, the handle for controlling the optical module to be pulled out and inserted is matched with the inclined groove of the lever, and upwarp or sinking of a chamfer on the lever is controlled by controlling the handle to move relative to the base, so that the optical module is unlocked. The chamfer is used for being matched with the notch of the metal shielding cage to fix and unlock the optical module, so that the fixing and unlocking of the optical module are controlled by controlling the handle; and on the other hand, the lower end of the chamfer is also provided with a contact, and when the chamfer of the lever sinks, the contact is electrically connected with a PCB in the optical module, so that an unlocking early warning is given out in advance before the optical module is completely pulled out, and signal loss ca