The invention discloses a digital display dial indicator based on wireless communication, comprising: a display screen, a measuring rod, a watch case, a rotating case, a sliding rheostat, a reset spring, an antenna, a communication circuit board, a communication chip, a first battery, two A laser module, two receiving modules, a laser circuit board, and a second battery; wherein, the display screen is exposed on the front side of the watch case, the measuring rod and the watch case form a sliding connection along the first direction, and the sliding rheostat includes a rheostat main body And the slider, the slider can slide relative to the main body of the rheostat, the slider is connected to the measuring rod; one end of the return spring is connected to the watch case and the other end is connected to the measuring rod; the antenna is arranged above the watch case, and the communication circuit board is fixedly arranged on the watch case The main accommodating cavity, the antenna is electrically connected to the communication circuit board, and the communication chip is installed on the communication circuit board. The advantage of the present invention is that it provides a digital display dial gauge with wireless communication function.