Bitter mouth, bad breath and farting may be related to dietary habits, indigestion, chronic gastritis and other reasons, according to the specific situation, follow the doctor’s advice to choose the right way to deal with the symptoms. 1. Dietary habits: If you often eat beans, onions, sweet potatoes and other foods that are easy to produce gas, these foods will produce a large amount of gas after fermentation in the digestive tract, and when there are food residues in the mouth that are unhygienic, it will lead to bitter mouth, bad breath and farting. Generally, there is no need for special treatment, after improving the diet structure will be relieved, and should pay attention to daily oral hygiene. 2. Indigestion: When indigestion occurs, gastrointestinal peristalsis decreases and the food eaten will remain in the gastrointestinal tract and fermentation will lead to abdominal pain, bloating, belching and other symptoms, which will lead to bitter mouth, bad breath and farting. Daily to maintain a good diet, can be under the guidance of the doctor to use domperidone tablets, omeprazole enteric-coated capsules, multi-enzyme tablets and other drugs treatment. 3. Chronic gastritis: When the gastric mucosa is irritated and damaged, it causes chronic gastritis, which leads to the decrease of peristaltic ability, the food can not be digested adequately, and a large amount of gas and Helicobacter pylori bacteria breeding, which leads to bitter mouth, bad breath, and a lot of farts. You can use amoxicillin capsules, lansoprazole enteric-coated tablets, aluminum magnesium plus suspension solution and other medications under the guidance of a doctor, and avoid a spicy diet. If the bitter breath and bad breath and farting can not be effectively relieved, you should go to the hospital in time to check and follow the doctor’s instructions for symptomatic treatment, so as to avoid causing other serious effects on the body.