A wheel cover comprises a fixable side fixture fixably secured to the center of a wheel of a car, as to be able to position to the central part thereof; a movable side fixture pivoyably mounted to the central part of the fixable side fixturethrough a bearing; a wheel cover body in the shape of a disk mounted to the movable side fixture, having a space between the wheel; and a weight mounted to said movable side fixture or wheel cover body, in order to prevent to rotate the wheel cover body so that people can see the design drawn onto the wheel cover body because the rotating of the wheel cover body can be prevented if the tire rotates, moreover, the wheel cover is positioned the up and downward thereof and can be prevented to be unsightly design.