The utility model discloses an electric shock hairdo marine airbag device, the device install in hull side plate, the gasbag device include the trigger, set up the gunpowder storehouse that holds detonating gunpowder in the trigger, be used for to ignite the electric cap of detonating gunpowder in the gunpowder storehouse, the outer electric shock ware that is used for igniting the electric cap that sets up of trigger to it sends out the insurance to set up the electric shock between an electric cap and an electric shock ware, the gasbag device still include combustion gas generator and the gasbag that is connected with it, set up the gunpowder in the combustion gas generator, send out under the circumstances that the insurance opened in the electric shock, the electric shock is sent out the ware accessible and is ignited a detonating gunpowder and further ignite the gunpowder in the combustion gas generator, can produce a large amount of gaseous gasbags that make after gunpowder detonation or the explosion and inflate the inflation rapidly. The utility model discloses an electric shock hairdo marine airbag device adopts the mode of gunpowder detonation or explosion to make gasbag quick aerate, can effectively avoid the ship to topple or sink for just providing powerful buoyancy at submerged hull side plate in the short time.