Aluminum hydroxide tablets are gastric drugs, patients need to follow the doctor’s instructions for medication. Aluminum hydroxide tablets, in which aluminum hydroxide is the main ingredient, has the function of protecting gastric mucosa and antacid, and belongs to a kind of gastric medicine. Therefore, aluminum hydroxide tablets are commonly used in clinical practice to treat stomach pain, heartburn, acid reflux and other discomforts caused by excessive secretion of gastric acid, in order to control the progress of the disease and improve the quality of life. For appendicitis, acute abdomen, drug allergies, aluminum hydroxide tablets are contraindicated, easy to further aggravate the condition, need to pay attention. Some patients with long-term application of aluminum hydroxide tablets may experience constipation, osteoporosis, hypophosphatemia and other adverse reactions. If the patient’s symptoms are not relieved or worsened after 7 days of use, the drug should be discontinued in time for medical treatment. It is recommended to apply aluminum hydroxide tablets in accordance with the doctor’s instructions, and not to use medication indiscriminately. Those who have gastric disease should pay attention to the rationality of diet, avoiding the intake of cold, spicy and stimulating food.