The invention provides a multifunctional waste fluff classification treatment and recycling device for garment processing. The device comprises a cleaning tank, rubber supporting blocks, a waste liquid flow guide hopper, a liquid outlet pipe, a liquid storage box, a fluff recycling, heating and drying frame structure, a fluff cleaning screen hopper structure, a gas outlet guide pipe, a fixing ring, a grip, a fan frame, a fixing plate, a fan support, an exhaust fan and a water circulation spraying guide pipe structure. The rubber supporting blocks are hinged to the left and right sides of the lower portion of the cleaning tank and the left and right sides of the lower portion of the fluff recycling, heating and drying frame structure respectively. According to the multifunctional waste fluff classification treatment and recycling device for garment processing, through arrangement of water spraying pipes, the cleaning tank, a circulation pipe and water spraying pipes, convenience is provided for spraying water into the cleaning tank, and fluff in the fluff storage hopper is conveniently removed; through arrangement of a silica gel air blowing airbag, an air feeding pipe, a disinfectant storage tank and a liquid feeding single-way valve, convenience is provided for increasing the air pressure in the disinfectant storage tank, and according to the frequency of pressing the silica gel air blowing airbag, disinfectant can be quantitatively added to the circulation pipe.