The invention discloses a computer support. The computer support comprises a base, screw holes, a rotating hinge, a first connecting rod, a bearing, a fixing plate, a center shaft, bosses, fixing supports, a second connecting rod, a clamping groove, a handle, a mouse plate and a third connecting rod. The first connecting rod is connected with the second connecting rod through the rotating hinge, the second connecting rod is connected with the third connecting rod through a hinge, the first connecting rod is connected with the fixing plate through the center shaft at the top end, the four bosses are arranged on the outer ring of the fixing plate, the fixing supports are inserted into the bosses, the bottom of the third connecting rod is connected with the base, and the screw holes are formed in the periphery of the base. The computer support is reasonable in design, convenient to use, suitable for computer display screens of different sizes, capable of adjusting the height and the inclination degree of the display screens in an all-directional mode and rotating the display screens, practical, good in fixing effect, convenient to assemble and disassemble, small in occupied space and easy to carry.