Abstract: A computer desk including two opposite upright side frames respectively equipped with swivel wheels for moving, each of the upright side frames defining a horizontal sliding track at an inner side, a plurality of top stretchers connected between the upright side frames at a top side by screws, a desk top mounted on the top stretchers, a plurality of back stretchers connected between the upright side frames at a back side at different elevations by screws, a rack mounted on the back stretchers for holding things, a plurality of bottom stretchers connected between the upright side frames at a bottom side by screws, a bottom plate mounted on the bottom stretchers, two rails respectively respectively connected to the horizontal sliding tracks, and a keyboard holder connected between the rails.