Bad breath and diarrhea consider chronic inflammation of the gastrointestinal tract. When improper diet leads to gastrointestinal dysfunction, food and bacteria in the gastrointestinal tract ferment under the action of digestive juices to produce gas to stimulate intestinal peristalsis to speed up, the phenomenon of bad breath diarrhea will occur, and the symptoms can be relieved by taking oral rectified intestine or tetraconazole type drugs. Most patients with indigestion or liver fire tend to have bad breath and diarrhea, which can be treated by taking Huo Xiang Qing Gastric Capsules or Huang Lian Su. If the symptoms cannot be relieved after taking the medicine, you should go to the hospital for examination to clarify the cause. Daily diet pay attention to less greasy, spicy and stimulating food, to light, easy to digest food, drink more water, eat more fresh fruits and vegetables.