The invention discloses a down-flow type filter cartridge integrated dust remover which comprises a dust remover body, wherein lifting lugs are respectively fixed on two sides at the upper end of the dust remover body; supporting legs are fixed at the lower end of the dust remover body; a funnel is arranged at the lower end of the dust remover body and connected with a dustbin at the lower end; a plurality of filter cartridges are arranged in an inner cavity of the dust remover body; a plurality of hatch covers are arranged on side walls of the dust remover body and correspond to the filter cartridges; a controller is arranged on the side wall of the dust remover body; an air inlet device is arranged on the other side wall of the dust remover body; an air inlet is formed in the lower end of the air inlet device; a spark extinguisher is arranged on the side wall of the air inlet device. The down-flow type filter cartridge integrated dust remover disclosed by the invention is simple in structure principle, small in size, high in efficiency, compact in structure, less in occupied land, simple and convenient in field installation and high in filtering efficiency, and has an integrated design.