Computer display screen support

The utility model discloses a computer display screen support. The computer display screen support comprises a base, a dust-proof box, a cam and a sleeve; the base is formed by fixedly welding four rod pieces around a vertical axis; a support is fixedly arranged on the upper surface in the center of the base, the cam is rotationally arranged on the support, and a sharp-top driven piece is arranged in a groove in the side face of the cam in a sliding mode; a bearing is fixed to the top of the sharp-top driven piece, a first spindle is fixed to the inner ring of the bearing, the first spindle is sleeved with the sleeve, the left side of the sleeve is connected with the display screen through a provided second spindle, and the right side of the sleeve is provided with a fixed nut. According to the rod piece, by the adoption of a multiple rod piece structure, the occupied table area is small, and the table room is saved; the operation is convenient in adjusting the height and the elevation angle of the display screen, and the mobility of the display screen is improved; the rotating speed of the cam is slow, and a computer user can unconsciously change the sitting posture; the design is simple, the use is convenient, and the practicability is strong.