Portable air freshening device

The utility model relates to an air freshening device, in particular to a portable air freshening device. The technical problem to be solved is to provide a portable air freshening device which is efficient, simple, convenient and labor-saving in operation. According to the technical scheme, the portable air freshening device comprises a shell, an air outlet block, a supporting plate, a first fixing block, a fan, a pinion, a rotating shaft and the like; an air outlet block is connected to the front side of the shell, a push block is slidably connected to the outside of the shell, a rack is connected to the push block and located in the shell, a first limiting shaft is connected to the right side of the inner wall of the shell and slidably connected with the rack, and a first spring is connected between the inner wall of the shell and the rack. Through the arrangement of the push block, the first spring, the rack, the large gear and the small gear, the fan can automatically rotate, the fragrance of a sachet ca