ABSTRACT Halitosis is an unpleasant offensive odor .Which leading to causes anxiety and psychosocial embarrassmentof the people. It is the most common social problem among one in four people and is reported as third most common reason thatpeople seeks dental care. The causes can be intra-oral or extra-oral.which is caused by the microbial degradation of organic substrates in the food debris. Volatile sulphur containing compounds is the major constituent for oral malodour.