Gunshot residue fuming device and control method thereof

The invention relates to the shooting technical field and in particular relates to a gunshot residue fuming device and a control method of the gunshot residue fuming device. The gunshot residue fuming device comprises a chassis, an electric heater arranged on the chassis, and a fuming box arranged on the electric heater, wherein the fuming box comprises a liquid tray loaded with liquid and a color developing plate arranged on the liquid tray and provided with multiple meshed holes; a gunshot residue sample is arranged on the color developing plate; the gunshot residue fuming device also comprises a motor driving mechanism connected with the color developing plate to enable the color developing plate to move on the liquid tray. The gunshot residue fuming device has uniform and stable color developing effect, has good reproducibility, is suitable for developing a flat sample with organic granules of the gunshot residue and can accurately judge the shooting distance.