PROBLEM TO BE SOLVED: To provide a deodorization device satisfying both deodorization and humidification of air, and preventing water used for the humidification from splashing a wire connection part of a heater unit used for the deodorization to secure safety.SOLUTION: The deodorization device 1 includes: a deodorization unit 5 having a catalytic filter 51 and the heater unit 8 heating the catalytic filter 51 to promote decomposition of an adsorbed bad smell. In the deodorization device 1, an air flow path of an air passage 25 communicating an air suction port 21 and an air blowoff port 22 of a casing 2 is provided with a humidifying unit 7 humidifying the air flowing through the air passage 25, the humidifying unit 7 has a humidifying tray 72 storing the water and is disposed in a lower part of the casing, and the heater unit 8 has a heater body 82 supplied with power through a lead wire 83 and is disposed with the wire connection part 82J between the heater body 82 and the lead wire 83 in an upper part of the casing.
