The invention discloses a capsule processing device. The capsule processing device comprises a feeding mechanism, a dust removal mechanism and a polishing split charging mechanism, wherein the feeding mechanism comprises a machine body, a supporting rod, a feeding box, a mesh screen, a discharging plate and a discharging disc, the dust removal mechanism is connected with the feeding box through a first air pipe, a medium-efficiency filter is installed in the dust removal mechanism, a dust removal fan is installed on the medium-efficiency filter, the discharging disc is provided with a sealing cover, a plurality of ultraviolet lamp tubes are installed in the sealing cover, the polishing split charging mechanism comprises a shell, a screen barrel, a control chamber, a separating device, a loading bottle, a slide plate, a fixed seat, a hydraulic system and a supporting frame. By adopting the capsule processing device, capsules can be directly bottled in a split charging manner after being polished, the counting accuracy is high, the production efficiency of the capsules is greatly improved, dust on the surfaces of the capsules can be cleaned, and the quality of the capsules can be improved.