The invention discloses a special cup holder adopting hydraulic drive based precise clamping for a motor vehicle and belongs to the field of hydraulic equipment and aims to solve the problem of instable cup fixing by conventional equipment. The cup holder comprises a mounting seat, wherein a cup seat is arranged on the mounting seat and adopts a cylinder with hollowed middle, the cup seat can rotate in the circumferential direction of the cup seat, three grooves are uniformly formed in the external cylindrical surface of the cup seat, three hollow moving blocks are hinged to the inner surfacesof the upper sides of the grooves, three connecting rods are further hinged to the mounting seat, the other ends of the connecting rods are connected with fixing mechanisms, and the connecting rods penetrate the hollow moving blocks in the grooves and can slide in the hollow moving blocks in the length direction of the connecting rods. The invention applies to the special cup holder for the motorvehicle.