In the apparatus for towing and washing the net of a fishing boat equipped with a hydraulic device and a water pump, the suction port 16 connected to the hose of the water pump is coupled to the bottom and a plurality of high pressure nozzles 12 in which water is sprayed at high pressure are coupled inside. And the frame pipe (11) comprising a fixture (17) fixed to the equipment at the top, a frame bracket (15) inside and a base (18) for supporting the device at the bottom, Constructing a frame portion (10) comprising a net guide (13) on which both sides of the frame pipe (11) and nets are gathered on the outer circumference of the upper part of each frame guide (14)； A drum for forming a plurality of perforations 22 from which mud and the like fall out on the surface and constructing two or more drum supports 24 to support therein, combining the drum bracket 25 with the drum supports 24 and supporting them on the outer periphery Two conical drums (21) constituting the pipe (23) and two or more clasps (26) for symmetrically forming the drum (21) and pulling up a net therein, and above the clasp (26) A drum unit 20 comprising two or more locking plates 27 to prevent slipping of the net； By constructing a drive unit 30 consisting of a drive pipe 31 coupled to the shaft bearing 32 on both sides, and a shaft 33 coupled to the gear bracket 34 coupled to the gear bearing 35 on both sides. ； The drive pipe 31 is coupled to the drum bracket 25, the drum bracket 25 is coupled to the ring gear 43, the shaft 33 is fitted to the inner diameter of the shaft bearing 32 on both sides Subsequently, the sun gear 41, the frame bracket 15, the gear bracket 34, the connector 36, and the hydraulic motor 37 are coupled, and the frame pipe 11 is located on the upper side of the gear bracket 34. It is characterized by combining. In addition, the drive pipe 31 is coupled to the drum bracket 25, the drum bracket 25 is coupled to the ring gear 43, the shaft 33 is fitted to the inner diameter
