An intelligent height-adjustable workstation includes a desktop and a seat cushion. The bottom of the desktop is supported by legs. Each of the legs is mounted with an electrical putter therein. The electrical putter is screw-fixed with the four corners of the bottom surface of the desktop. The underside of the desktop is mounted with an electrical putter control box. The electrical putter control box is mounted with a signal receiver therein. The bottom edge of the desktop is mounted with an electrical putter control panel connected to an external power supply. The seat cushion is mounted with a gravity sensor, a fiber optic sensor, a control box and a vibrator therein. The control box is mounted with a wireless signal generator and a lithium battery therein. The side of the seat cushion is mounted with a control panel. This improves work efficiency, reduces occurrence of occupational disease, alleviates sufferings.