The invention discloses an adjustable computer working platform which comprises a base, a support frame is arranged on the base, a guide groove is arranged on the support frame, a sliding block is arranged in the guide groove, a screw penetrates through the sliding block and is screwed on, and when the screw rotates, the sliding block moves in the axis direction of the screw; a box is connected onthe sliding block, a display storage part, a host storage part, and a keyboard storage part are arranged in the box, and the keyboard storage part is mounted on the box through a sliding groove structure; the bottom of the base is hinged to a plurality of rotary shafts, and the ends, away from the base, of the rotary shafts are each provided with a universal wheel with self-locking function; a hydraulic telescopic rod is arranged in the display storage part, one end of the hydraulic telescopic rod is connected to the bottom of the display storage part, and the other end of the hydraulic telescopic rod is provided with an angle adjustment part on which a display mounting part is hinged. When the adjustable computer working platform is used, the height of the box can be adjusted according to the user conditions, and installation and detachment are convenient.