PROBLEM TO BE SOLVED: To provide a deodorizing machine in which the ozone concentration at an air blowout port can be reduced even if a distance from an ozone generator to the air blowout port is short.SOLUTION: A deodorizing machine includes a cylindrical casing 101 that has an air suction port 101a, an air blowout port 103b, and an air blow passage 104 connecting other air suction port 101b and the air blowout port. Inside the casing, an ozone generator 40 and a blast fan 60 are arranged along an axial direction of a columnar space covered by the casing. There is provided a discoid diffuser plate 50 which diffuses ozone discharged from the ozone generator and the diffuser plate is arranged along the axial direction of the columnar space, between the ozone generator and the blast fan.
