Halitosis and gender are not necessarily linked, if the bad breath is physiological, as long as attention to maintain oral hygiene can be, generally do not need special treatment, pathological need to be actively on the pathogenesis of treatment. 1. physiological bad breath: long time consumption of onion, ginger and garlic, bad breath in the mouth, often smoke, drink alcohol, drink strong tea, the mouth will also appear bad breath, this situation needs to quit smoking and drinking, improve dietary habits generally do not need special treatment . 2. Pathological bad breath: gingivitis, periodontitis, bleeding gums mixed with bacterial infections appear bad breath, need to go to clean tartar, maintain oral hygiene. Poor digestive function, food retention in the intestinal tract, acid fermentation bad breath, need to go to the gastroenterology examination and treatment. In addition, diabetes and other endocrine system diseases, can also appear bad breath, need to control blood sugar, treatment of other endocrine diseases. Halitosis needs timely medical treatment, under the guidance of the doctor for examination and treatment, to avoid delays in the condition.