Omeprazole and magnesium aluminum carbonate tablets are different in the mechanism of action, treatment of diseases, etc. Omeprazole mainly inhibits gastric acid secretion. Magnesium aluminum carbonate tablets are mainly to protect the gastric mucosa effect. Omeprazole is converted to the active form of sulfenamide in the high acid environment after taking it, which inhibits the activity of proton pump and blocks the secretion of gastric acid, thus it has the function of inhibiting gastric acid. It is mainly used for acute and chronic gastritis, reflux esophagitis, gastric, duodenal ulcer and other diseases appearing in the stomach and other symptoms. Children, lactating women, patients with hepatic or renal insufficiency should use the drug with caution. Those who are allergic to this product, infants, pregnant women, are forbidden to use this drug. Magnesium Aluminum Carbonate Tablets can protect the gastric mucosa, reversibly and selectively bind bile acids. Continuously prevent the damage of pepsin to the stomach and protect the role of gastric mucosa. It is mainly used for gastric ulcer, duodenal ulcer, stress ulcer and other diseases, after the use of the drug there may be an increase in the number of stools, occasional constipation and other adverse reactions, usually can be relieved after stopping the drug. Children, pregnant women, lactating women, severe cardiac and renal insufficiency, patients with hypermagnesemia and hypercalcemia should use the drug with caution. People who are allergic to this product are prohibited from using this drug. The above medicines are for reference only, the specific dosage and usage should follow the doctor’s instructions, and should not be used blindly.