PURPOSE: A hanger type clothing sterilization deodorizing device and an operating method thereof are provided to use only the small amount of steam, or not at all, by using photocatalytic reaction between ultraviolet rays and titanium dioxide as well as steam, thereby sterilizing and deodorizing clothing. CONSTITUTION: A hanger type clothing sterilization deodorizing device comprises a clothing hanger part(100) and a case(200). The case covers the clothing hanged on the part of the clothing hanger part or the clothing hanger. An ultraviolet rays lamp(230) is installed in the case. The inside of case is coated with titanium dioxide, such that the clothing hanged on the clothing hanger part is sterilized and deodorized by the reaction between the ultraviolet rays and the titanium dioxide. The clothing hanger part includes a housing in which the clothing is hanged. A steam generating part is installed in the housing.본 발명은, 옷걸이에 의류가 걸린 상태에서 자외선과 이산화티탄의 광촉매 반응을 이용하여 간편한 방법으로 살균 및 탈취 작용을 할 수 있는 의류 살균 탈취기 및 그 작동 방법을 제공한다.
