Pregnant women with superficial gastritis should not take magnesium aluminum carbonate. Pregnant women suffering from superficial gastritis are prone to diarrhea and an increased risk of miscarriage and preterm delivery if they use magnesium aluminum carbonate, so it is not recommended that pregnant women use magnesium aluminum carbonate for treatment. Magnesium aluminum carbonate is an antacid that is commonly used to treat chronic gastritis as well as acid-related stomach upset symptoms such as stomach pain, heartburn, and belching (burping). This Magnesium Aluminum Carbonate can neutralize gastric acid and protect gastric mucosa, and its effect is rapid and long-lasting. Adverse effects of magnesium aluminum carbonate include constipation, loose stools and dry mouth, which are very rare. Contraindications are allergic to the product, severe renal insufficiency, hypophosphatemia is prohibited. Precautions are hypercalcemia and severe cardiac insufficiency should be used with caution, lactating women should be cautious, patients with acute abdomen should be used under the guidance of a physician. Pregnant women who suffer from superficial gastritis need to go to the hospital in time and follow the doctor’s instructions for better treatment of the disease.