Halitosis is also known as “stinking breath” and “stink of gum in the mouth” in Chinese medical textbooks, etc. Generally, the identification of the type has spleen and stomach heat, heart and spleen heat, lung heat and congestion, kidney deficiency heat, etc., and it can be treated with traditional Chinese medicine prescription Laxing Huang San, Wuxiang Pill, and Clearing Lungs and Resolving Phlegm Soup, etc. The main manifestations of bad breath in the mouth are obscene heat and odor, dry mouth, and fullness and discomfort in the abdomen and stomach. Spleen and stomach heat is mainly manifested in the form of foul and foul-smelling breath in the mouth, dry mouth, fullness and discomfort in the epigastrium (abdomen). It can be treated with Diarrhea Huang San and other prescriptions. Heart and spleen accumulation of heat type is mainly manifested as bad breath, thirst and hunger, dry mouth and lips, heartburn and insomnia. It can be treated with Five Fragrance Pills and Qingdai San. The main manifestations of the lung heat congestion type are foul breath, nasal congestion, sore throat, coughing, spitting and vomiting of pus and phlegm. It can be treated by clearing the lungs and resolving phlegm, diarrhea and white powder and other prescriptions. Kidney yin deficiency type is mainly manifested as tooth decay and withered teeth, bad breath, waist and leg pain and weakness. It can be treated with Six-flavored Dihuang Pill, Consistent Decoction and other prescriptions. Chinese medicine treatment of bad breath, according to the evidence of the prescription, according to the prescription selection, so different types of evidence, treatment is different. If you need medication, it is recommended that you take reasonable treatment under the guidance of a professional physician, and do not take medication on your own to avoid adverse consequences.