Bismuth Compound Aluminum Acid Granules are used to protect the gastric mucous membrane, and when used, they are usually taken for 1 week to 2 months. Bismuth Compound Aluminum Acid Granules belongs to a kind of gastric mucous membrane protection drug, which is suitable for gastric ulcer, duodenal ulcer, chronic superficial gastritis, hyperacidity and other diseases. The use of a certain course of treatment needs to be observed, usually need to take medication for about 1 week to 2 months, depending on the severity of the disease may vary. Bismuth Compound Aluminum Acid Granules may cause constipation, dry mouth, insomnia, nausea and other adverse reactions, people who are allergic to this drug can not be used, and patients with renal insufficiency can not be used. In addition, it is necessary to pay attention to the use of medication can not be interrupted. It is recommended that this drug should be used under the guidance of a doctor, avoiding unauthorized use of medication, so as not to bring about adverse effects.