There is no special difference between women’s long-term bad breath and men’s. The common situation is poor oral hygiene for a long time, so that the oral bacteria residue, plaque, calculus and other increased causes. Some people have wisdom teeth, and the surrounding gums to form a blind pocket, the internal can accumulate more food residues, bacteria in which reproduction can cause bad breath. In addition, dental caries, periodontitis, gingivitis, periodontal overflow pus and other oral diseases, can also increase the bacteria in the mouth, long-term bad breath. Excluding the above, oral adjacent organ diseases, gastrointestinal diseases, kidney diseases, etc., can also cause bad breath. 1, oral adjacent organ diseases: such as women with rhinitis, sinusitis, there can be mucus accumulation in the nasal cavity to produce odor, if not treated in a timely manner can be manifested as long-term bad breath. Women with tonsils inflammation, stones, ulcers, etc., tonsils uneven crypt in the bacterial reproduction, fermentation can produce odor, can be manifested as long-term halitosis; 2, gastrointestinal diseases: women with long-term indigestion, the accumulation of food in the stomach, bacterial decomposition will produce unpleasant gas, acid reflux, belching resulting in sour odor in the mouth. Some patients suffering from pyloric obstruction and advanced gastric cancer often have bad breath similar to the smell of rotten duck eggs. In addition, women with long-term constipation, stool can not be discharged in a timely manner, can also cause bad breath; 3, kidney disease: kidney failure or uremia patients, because of long-term poor metabolic function of the body, the breath can exist ammonia-like odor; 4, other cases: such as long-term smoking can also lead to bad breath, poor diet, irregular life, mental stress can also lead to long-term bad breath, so should be in life attention. If you have diabetes, leukemia and other problems, may also lead to long-term bad breath.