The present invention relates to a device for sterilizing/drying/deodorizing hats including safety hats, which can sterilize, deodorize, and dry safety hats worn in industrial sites, motorcycle helmets, and normal hats. In particular, the device for sterilizing/drying/deodorizing hats including safety hats, according to the present invention is characterized by comprising: a case main body having an installation hole portion, an air guide ring portion, an installation ledge portion having multiple fastening holes, a safety hat seating groove portion, a hanger portion, retaining holders, and fastening bosses; a case bottom plate; an intake fan; an air induction portion; a filter member; a fixing frame body; a deodorizing ball containing chest body; deodorizing balls; a filter case; ion generating portions; and a control member.
