A marine water spraying type propeller comprises a water spraying pipe body, a water inlet valve, backward water inlet pipes, a hydro-generator impeller wheel, an electric water spraying machine, backward water spraying pipes and a water outlet valve. The marine water spraying type propeller is characterized in that at least one cylindrical water spraying pipe is arranged on the outer wall, on the bottom of a ship, of a ship body, one end of the cylindrical water spraying pipe is provided with a water inlet, the other end of the cylindrical water spraying pipe is provided with a water spraying opening, the water inlet valve and water wheel blades of a hydroelectric generator are arranged in the pipe wall, close to the end provided with the water inlet, of the water spraying pipe, the water outlet valve and the electric water spraying machine are arranged in sequence in the water spraying pipe close to the end provided with the water spraying opening, the electric water spraying machine is fixed on the pipe wall of the water spraying pipe through a stand, and a closed blade water wheel is arranged in the pipe opening of the water spraying machine. The marine water spraying type propeller does not use a screw propeller for spraying, but uses hydraulic pressure for spraying, and is assisted by the rotation of the water wheel blades. Driving at high speed can be achieved, and noise can be reduced. The propeller is suitable for various ships and particularly suitable for a warship and a submarine, and quickness and sound concealing effects can be achieved.