Air purifier dust removing device

The invention provides an air purifier dust removing device comprising a device body. An air inlet is formed in the lower portion of the device body, a first baffle is arranged above the air inlet, asecond cleaning tube is arranged above the first baffle, an ultraviolet lamp is arranged above the second cleaning tube, an activated carbon filter net is arranged above the ultraviolet lamp, an HEPAfilter net is arranged above the activated carbon filter net, each side face of the activated carbon filter net and the HEPA filter net is provided with a first cleaning tube, a blade is arranged above the HEPA filter net, and a gas permeable plate is arranged on the outer side of the blade. Air is sterilized through the ultraviolet lamp during air purification, the air is filtered through the activated carbon filter net and the HEPA filter net, the second cleaning tube is arranged on the first baffle to clean the first baffle, dust accumulated on the first baffle is prevented from breeding bacteria, the first cleaning