The drug is an antacid, which can act directly on the lesion and durably neutralize gastric acid, thus continuously preventing the damage of pepsin to the stomach and enhancing the action of gastric mucosal protective factors. Magnesium aluminum carbonate tablets can be used for acute and chronic gastritis, reflux esophagitis, gastroduodenal ulcer and other diseases; can also be used for gastric acid-related gastric discomfort symptoms, such as gastric pain, fullness, heartburn, acid belching, etc.; can also prevent gastric mucosal damage caused by non-steroidal drugs. Large doses of the drug can lead to increased frequency of stools and soft pasty stools, occasional constipation, dry mouth and loss of appetite; long-term use of the drug can have serum electrolyte changes and other adverse reactions. Allergic to the drug is prohibited; the drug is prohibited when there is a change in the nature of the drug. Use with caution in patients with severe cardiac and renal insufficiency, hypermagnesemia and hypercalcemia; use with caution in the first 3 months of pregnancy. Patients with renal impairment with creatinine clearance <30 ml/min should not take large doses for a long period of time. If you need to use the drug patients, please under the guidance of a doctor or pharmacist, strictly comply with the doctor's instructions to take medication, do not self-medication.