The efficacy and effect of magnesium aluminum carbonate tablets are mainly antacid and protecting gastric mucosa, with side effects of constipation, loose stool, dry mouth and lack of appetite. Magnesium Aluminum Carbonate Tablet has both antacid as well as gastric mucosa protection effects, in addition to bile acid absorption effect, suitable for chronic gastritis, as well as stomach pain, heartburn sensation, belching (acidic), fullness and other gastric acid-related stomach discomfort symptoms of the treatment. Contraindications for use include hypersensitivity to the product, and those with caution include those with severe cardiac and renal insufficiency, those in the first trimester of pregnancy, and those with hypermagnesemia and hypercalcemia. Adverse drug reactions include occasional constipation, loose stools, dry mouth and lack of appetite, the specific occurrence of which varies from person to person. Specific use of the drug should be under the guidance of a specialist, not unauthorized use of the drug.