The invention provides a marine intelligent lifesaving device, which comprises an intelligent lifesaving device body, wherein the intelligent lifesaving device body comprises a ship body and an intelligent system, the intelligent system comprises a balance sensor, a control box, an intelligent processor, a control switch, a GPS positioner, a vibration sensor, a distress module, a power supply device, a laser lamp, an electromagnetic sheet, an electric push rod I, an electric push rod II, a control valve and a motor, one side of the ship body is provided with a slot, the lifesaving device is arranged in the slot, the lifesaving device comprises a box body and a box cover, the box cover is fixed on the box body through a hinge, the electromagnetic sheet is arranged between the box body and the box cover, the box cover is provided with an extraction device, one side of the extraction device is provided with an opening, a sealing plate is arranged in the opening, a support rod is arrangedon the sealing plate, and the support rod is provided with a rotating handle. The marine intelligent lifesaving device has reasonable design, and is suitable for popularization.