The utility model relates to a multifunction floater clearing device for a ship. A fixing frame is provided with a supporting plate, and a supporting frame of a hanging framework is arranged on the supporting plate. A hoisting mechanism is arranged on the fixing frame, the hanging framework is arranged on the supporting frame of the hanging framework and a manual riser is arranged between the hanging framework and the supporting plate. Both ends of the hanging framework are provided with bottom frames, and a floater salvaging net frame is arranged on each bottom frame. Locking pin holes and a floater salvaging net are arranged on the floater salvaging net frames, and the lower part of the bottom frames are provided with net protecting thin plates. The tail ends of the net protecting thin plates are provided with floating blocks, and a manual angle adjustor is arranged on the supporting plate. The utility model is also provided with a hoisting frame composed of a hoisting framework, two locking pin frame plates, locking pins, and a drive rod in the shape of a pair of scissors, wherein the two locking pin frame plates are arranged at the inner side of the hoisting framework, the locking pins are arranged on the locking pin frame plate and correspond to the locking pin holes of the hoisting framework and the drive rod is connected to the two locking pin frame plates through pin shafts. The utility model has the advantages of low cost, high-speed and agile operation, high work efficiency, good effect of clearing floaters and no need of power equipment. The whole floater cleaning operation process of collection, salvage, loading and conveyance can be completed by using one ship.