Ship fire extinguishing system

The invention relates to the technical field of ship fire fighting, and discloses a ship fire fighting system which comprises a fire fighting unit and a plurality of foam hose units, and the fire fighting unit and the foam hose units are both used for being connected with a water source. The fire fighting unit comprises a foam liquid generating end and a fire extinguishing end, the foam liquid generating end comprises a foam conveying pipeline, a proportioning valve and a controller, foam of the foam conveying pipeline and water flow of a water source are mixed through the proportioning valve, and the foam conveying pipeline and the proportioning valve are in control connection with the controller. The fire extinguishing end comprises a first remote control valve, a release button and a plurality of nozzles, the first remote control valve and the release button are in control connection with the controller and are connected with the nozzles, and the proportioning valve is connected with the first remote contr