The invention discloses a closed multipurpose dust removing workbench. The closed multipurpose dust removing workbench comprises an operation box and an equipment box, the operation box is located on the equipment box, the bottom face of the operation box and the upper face of the equipment box share one face, the periphery and the top face of the operation box are made of organic glass, a front panel and the left side face of the operation box are each provided with an operation hole, a handle is installed on the front panel of the operation box, rubber gloves which are in press strip connection are arranged in the operation holes, and a rotating disc is installed on the portion, located at the bottoms of the rubber gloves, of the operation box; an air sucking pipeline hole and an air blowing pipeline hole are formed in the bottom face of the operation box, and a connecting pipeline is arranged over the rotating disc; the six faces of the equipment box are all made of wood, equipment switches and a drawer are installed on the front face, and a dust collector and an air blower which are fixed by bolts are arranged in the equipment box. The closed multipurpose dust removing workbench is simple in structure and reasonable in design and can conduct work such as accumulated dust removing and printer selenium drum carbon powder adding on office terminals such as a computer and a printer in an indoor environment.