Dust-free workbench

The utility model provides a dust-free workbench. The dust-free workbench comprises a first air blower, a filter net, a box body and a workbench top, wherein the workbench top is arranged in the box body; the first air blower for pumping clean air is mounted on the top part of the box body; the filter net is arranged on the end surface of the first air feeding end of the first air blower and completely covers the air feeding end of the first air blower; a second air blower is arranged on the bottom surface of the workbench top; an annular pipeline is arranged at the part in which the workbench top is intersected with the box body; a plurality of exhaust holes are formed in the annular pipeline, facing the working cavity; the annular pipeline is communicated with the second air blower; a dust dropping tank is communicated with the exhausting end of the second air blower through a pipeline. According to the dust-proof workbench, dust-containing air exhausted by the workbench is subjected to dust dropping by the water to remove dust, and the dust is deposited in water and cannot return to the workbench, so that the dust removing performance of the workbench can be improved, and the environmental protection is ensured.