The utility model relates to an electronic protection alarming device, to be specific, relates to a night vision safety fence comprising a winding side and a stretching side. The winding side comprises a chassis I, which is fixedly provided with a vertical column I, and a winding device is fixedly disposed on the vertical column I. An alarming tape is disposed on the winding device in a coiled manner, and is provided with LED module groups in an adhesive manner. The LED module groups are in a parallel connection by connecting lines. The starting position of the alarming tape is provided with a connecting port for the connecting lines, and the stretching side comprises a chassis II and a vertical column II. The vertical column II is provided with a joint corresponding to the connecting port, and the joint is led out by an infrared LED controller. A remote controller, which is corresponding to the infrared LED controller, is provided, and the vertical column I and the vertical column II are respectively provided with an acousto-optic alarming module, a switch, and a power supply module. The night vision safety fence is advantageous in that the LED module groups and the acousto-optic alarming modules can be used to provide the information used for alarming the dangerous high voltage, the irrelevant personnel can be prevented from entering the working area mistakenly during the night construction, and the electric shock risk can be prevented.