Objectives : The purpose of the study is to investigate the appropriate prevention and management of halitosis and management for the elderly. Methods : A self-reported questionnaire was filled out by 320 elderly over 65 years old in Seoul and Gyeonggi from June to October, 2013. Except 28 incomplete answers, 292 copies were used for the analysis. Results : The correlation coefficient was 0.702 which was the degree of present halitosis and everyday halitosis. Elderly within 65-69 years old felt the halitosis very seriously. the level of halitosis felt everyday was also highest in those within 65-69 years old with mean $2.00{pm}0.862$ points. Conclusions : The dissemination of correct knowledge of halitosis management can improve the subjective perception of the elderly oral health care.