The invention relates to the technical field of environmental protection, in particular to an industrial dust treatment device with multi-stage dust removal function. The industrial dust treatment device comprises a device body, wherein a door body is arranged at both ends of the device body, a fixed rod, a motor I, a sliding rod, fixed plates, a filter net I and a heater are fixed in the device body, an induced draft fan is fixed on the fixed rod, a turntable is fixed on a rotating shaft I of the motor I, a connecting rod I is fixed on the turntable, a slider is connected with the sliding rodin a sliding manner and is connected with the connecting rod I by a connecting rod II, a brush I is fixed on the side wall of the slider, the fixed plates are symmetrically arranged on the top and bottom of the device body, a filter net II is fixed between the two fixed plates, a water storage tank and a motor II are fixed on the top of the device body, a brush II is fixed on a rotating shaft IIof the motor II, and a dust door is arranged at the bottom of the device body. In the industrial dust treatment device provided by the invention, a filter net cage is convenient to clean, and throughthe multi-stage dust removal structure, the dust treatment quality is greatly improved.