Aluminum hydroxide usually refers to compounded aluminum hydroxide tablets. The medication works to neutralize stomach acid and works to relieve the discomfort caused by excess stomach acid. Aluminum hydroxide tablets are antacids that can neutralize stomach acid and can be used to relieve stomach pain, heartburn and other discomforts caused by excess stomach acid. When using the medication, it must be taken under the guidance of a professional doctor, because long-term use of large doses may cause serious constipation, fecal clots causing intestinal obstruction. Prolonged use by the elderly may cause osteoporosis; patients with renal insufficiency may have elevated blood aluminum after taking it. Strictly following the doctor’s instructions during the treatment period can reduce other discomforts of the body. It is contraindicated in patients with appendicitis and acute abdomen. It is not recommended to use the drug for more than 7 consecutive days, and if the disease persists without relief, it is necessary to consult a physician or pharmacist. It should be used with caution in the first trimester of pregnancy, renal insufficiency, as well as chronic constipation.