The utility model discloses an ocean engineering equips marine positioning mooring system, include: main winch, pair are led sprocket, auxiliary winch, removal and are led sprocket and a plurality of play chain mouth, wherein, need the ocean engineering equipment deck front end of location and rear end both sides to lead the sprocket and pass through the equipment relative slip within a definite time that horizontal migration mechanism realized and needed to fix a position along ship board extending direction equipartition play chain mouth, removal, a whole set of anchor moored positioning system arranges according to the sea worker equipment structure characteristics that are anchored is no less than two main winch, arranges and equips deck front portion and rear portion in ocean engineering, auxiliary winch quantity is the same with the quantity of horizontal migration mechanism, and the auxiliary winch sets up in horizontal migration mechanism and closes on the position, and realizes the wire rope direction through guide pulley, and main winch goes out to set up in the rope direction pair and leads the sprocket, and the wire rope that comes both sides assembles and leads to the main winch on, the utility model discloses the auxiliary winch is responsible for pulling out main winch wire rope and to going out chain mouth position, is finally realized finally assembling the take -up through main winch.