The compact desktop vacuum seat has brought a substantial revolution to the craftsman’s polishing operation, replacing the fixed suction port on the table edge, and there is no need to install the left and right cushions on the side of the craftsman’s table because of the suction port to collect dust. The tube is no longer solely fixed to the suction port on the edge of the table, but can be connected to other equipment at any time. This product has obtained national invention patents and utility model patents.