Out gas stink is the kind of situation where there is odor in the mouth and bad breath, its related to poor oral hygiene or have dental caries, or have unclean diet in the mouth, such as food after eating without rinsing, or after not brushing teeth, will appear bad breath. In addition, Chinese medicine believes that bad breath is a manifestation of fire, in most cases accompanied by heat like, such as dry mouth, thirst, bitter mouth. Stinky breath to strengthen oral hygiene, brush 1 time each morning and evening every day, and at the same time pay attention to meal logistics rinse mouth, Chinese medicine can be Huanglian, patchouli added to hot water melted and let cool, let cool, rinse 3 times a day mouth, can be a good way to improve the problem of bad breath.