Shipboard navigation electronic device

The invention discloses a shipboard navigation electronic device, comprising: a casing (1) and the following components disposed inside the casing (1): a wireless data transmitting end, a navigator, awireless data receiving end, a controller and a display (2), wherein the controller is connected to the navigator and the display (2) to display the navigation data of the navigator; the wireless data transmitting end is connected to the navigator to send the navigation data to the shore client; the shore client feeds back the authenticity of the navigation data, and sends the actual navigation signal to the wireless data receiving end in the case of navigation data error; and the controller is connected to the wireless data receiving end and the display (2) to display the actual navigation signal on the display (2). The shipboard navigation electronic device overcomes the problem that the ship in the prior art has bad signals on the sea and cannot realize the navigation, and realizes thenavigation of the ship on