Excessive stomach fire (stomach fire and heat evil) leads to bad breath, accompanied by acid reflux, heartburn, constipation, yellow-colored urine and other symptoms, which can be regulated by diet and medication, please follow the doctor’s instructions for specific medication. 1. Diet: adjust the diet structure, avoid spicy stimulation, fat, sweet and greasy food, such as fried chicken, chili peppers, etc., should eat more light and easy to digest food. 2. medication: can take clear stomach powder, by angelica, Huanglian, raw rhizoma, mudanpi, ascending hemp, gypsum composition, has the effect of clearing stomach and cooling blood (eliminate stomach heat, cool blood heat, prevent bleeding), can be used for treatment of gastric fire exuberant certificate; also can take diarrhea yellow powder, by patchouli, gardenia, gypsum, licorice, windbreak composition, have diarrhea spleen and stomach ambrosia fire (fire evil invade spleen and stomach) effect. If there are symptoms such as bad breath caused by exuberant stomach fire and need to use medication, you should go to the hospital, use medication under the guidance of the clinician and follow the doctor’s instructions to regulate.