Notebook computer keyboard

The invention discloses a notebook computer keyboard, and belongs to the technical field of keyboards, a keyboard substrate is fixedly mounted on the inner wall of a partition plate, a sliding frame is fixedly connected to one side of the keyboard substrate and located at the bottom end of the partition plate, and a primary linkage protection mechanism is mounted on one side of the sliding frame; the first-stage linkage protection mechanism comprises a supporting frame installed on one side of the sliding frame, the inner wall of the supporting frame is rotationally connected with a transmission screw, and a micro motor is fixedly installed in front of the supporting frame. A first-stage linkage protection mechanism is adopted, when a safety authorized person leaves a seat, a transmission screw carries six sleeve blocks to move backwards under the action of thread transmission force, multiple first-stage insertion strips can be inserted and locked with 88 keys, the situation that a notebook computer keyboard