Bismuth carbonate belongs to the bismuth agent, is the treatment of gastrointestinal diseases. Bismuth carbonate can inhibit intestinal peristalsis, has the effect of antidiarrheal, can be used for a variety of gastrointestinal insufficiency, and poor digestion and absorption caused by abdominal pain, diarrhea, abdominal distension symptoms. Bismuth carbonate can also neutralize gastric acid, has a certain astringent effect, can also be used for chronic gastritis, gastric ulcer and other patients with stomach pain, acid reflux, heartburn and other symptoms. Bismuth carbonate is used to stop diarrhea and is used for no more than 3 days. If used in the treatment of stomach acidity, acid reflux, heartburn, use no more than 7 days. During the use of bismuth carbonate, patients may experience constipation. Bismuth carbonate is also useful in the treatment of Helicobacter pylori, and can be used in combination with other medications to eradicate Helicobacter pylori.