Computer lifting pedestal for being used on desk

The utility model relates to a computer lifting pedestal which is specially used for regulating the placing height of a notebook computer or a desktop computer monitor and a keyboard to adjust the working posture, and the computer lifting pedestal consists of a pedestal, a support, a working platform plate, a lifting mechanism and a locking mechanism; the pedestal is arranged on a desk; the support is fixed on the pedestal; under the action of the lifting mechanism, the working platform plate can do lifting and descending motions along the support; and under the action of the locking mechanism, the working platform plate can be stopped at any position height of the support. Compared with the prior art, the conventional desk does not need to be changed, the computer desk does not need to be frequently cushioned or removed, only one lifting pedestal is additionally arranged on the conventional desk, the notebook computer or the desktop computer monitor and the keyboard are arranged on the working platform plate