A gaming machine having a liftable monitor is provided, wherein the cabinet has a receiving space defined therein, and the cabinet is formed with at least one opening communicating with the receiving space; a display unit is mounted to the cabinet by a pivoting device for closing the opening. Each rotary shaft of the pivoting device respectively and pivotally connects to an interior of the cabinet and the display unit, and at least one supporting arm pivotally connects between the cabinet and the display unit, such that the display unit is movable supported and secured by the rotary shafts and the supporting arm to allow the display unit to be lifted and rotated relative to the cabinet for opening/closing the opening.