The invention relates to the technical field of living articles and in particular discloses a cup holder for students. The cup holder comprises a support rod, wherein a first fixing piece is welded with the support rod; a screw hole is formed in the first fixing piece; a screw nut penetrates through the screw hole; a second rubber pad is adhered to the bottom end of the screw nut; a second fixingpiece is arranged on the support rod; a first rubber pad is adhered to the second fixing piece; a chute is formed in the support rod; a sliding block is arranged inside the chute; a first fixing rod is arranged on the sliding block; a cup jacket is welded with the first fixing rod; a rubber piece is arranged on the cup jacket; a second fixing rod is welded at the bottom end of the support rod; a cup base is welded at the other end of the second fixing rod; a sponge pad is laid inside the cup base. According to design of the cup holder, the chute can be adjusted according to different heights of cups, due to adoption of the rubber piece on the cup sleeve, holding of cups of different sizes can be met to a certain extent, functions of reducing vibration and preventing cups from being scratched can be achieved to a certain extent, the space on a table surface can be saved, and the cup holder is applicable to popularization.