Disclosed is a purification device (1), including a case part (2) having an internal space (3) for accommodating an article； and a purification unit (4) disposed in the internal space (3). The purification unit (4) includes: a flow path (41) provided with a flow inlet (51) and a flow outlet (52) which are in communication with the internal space (3)； a fan (46) enabling air to circulate between the flow path (41) and the internal space (3)； an ozone generating device (43) generating ozone from air； a cover (40) covering the ozone generating device (43)； a supply line (44) taking air from the internal space (3) through an intake port (44C) and supplying the air to the ozone generating device (43)； and a guide-in line (45) guiding the ozone generated by the ozone generating device (43) into the flow path (41). The intake port (44C) is exposed outside of the cover (40) to the internal space (3).
