The utility model belongs to the field of marine pull hooks, and particularly relates to a marine pull hook which is characterized in that a trigger rod is arranged, when a ship needs to be fixed, a device body is pushed out, the surface of the trigger rod and the surface of a fixing column are extruded, and the trigger rod pushes a moving block to move backwards to extrude a spring; and the moving blocks pull the clamping rods to swing through the connecting rods, and the two sides of the fixing rods are fixed. The pull hook for the ship comprises a device main body, a fixing device is arranged in the device main body, the fixing device comprises a connecting rod, the connecting rod is arranged on the inner wall of the device main body, the two sides of the connecting rod are hinged to the inner wall of a moving block, the moving block is arranged on the inner wall of the device main body, and the moving block is hinged to the inner wall of the device main body. The inner wall of the moving block is fixedly connected with one end of a push spring, the other end of the push spring is fixedly connected with the bottom face of a moving tooth, the surface of the moving tooth is slidably connected with the inner wall of the moving block, and the surface of the moving block is fixedly connected with the surface of a trigger rod.