Abstract: An adjustable sunshade includes a sunshade holder which has a mounting frame affixed to a windscreen at one side, a supporting rod connected to the mounting frame by a first swivel joint, and a bracket having a top end hinged to the top of the supporting rod. A screen is mounted on the bracket and has a retainer on its lead end. A fixed hinge is mounted on the supporting rod in the middle, and a movable hinge is provided to slide on the bracket. A second swivel joint has its two opposite ends respectively connected to the fixed hinge and the movable hinge. A locating device which includes a locating rod is fastened to the opposite side of the windscreen by a third swivel joint. This locating device is provided to hold the retainer of the screen.