The goal of this investigation was to explain the aetiological element, regularity data, prognosis and the therapeutic mechanical and chemical approach to halitosis. Oral malodour is a miserable aroma deriving from the tongue cavity, leading to anxiety and psychosocial embarrassment. Oral malodour is produced by volatile components which are produced because of pathological or non-pathological reasons. A patient with bad breath mostly refer the primary care for management with identification of aetiology, proper diagnosis and timely referrals certain steps are taken to create successful therapeutic approach. Oral malodour can be managed by if its aetiology can be identified correctly. The important role for treatment of halitosis is detection aetiology or determination its source by detailed clinical examination. Management may include simple measure such as scaling, instruction for oral hygiene such as brushing, tongue scraping and mouth rinsing.