Bad breath is mostly caused by stomach heat. Peeling peanuts and boiling water can get rid of bad breath. In addition, we should pay attention to a light and reasonable diet, eat less spicy and greasy food, and take appropriate physical exercise to enhance physical fitness. You can take some digestive drugs, such as Jianwei Xiaoshi tablets and hawthorn pill. , but also can cooperate with Liuwei Dihuang Pill to eliminate deficiency and regulate fire.