Sodium bicarbonate tablets should be taken orally in the dose prescribed by the doctor. Sodium bicarbonate tablets are antacids that can rapidly neutralize stomach acid and relieve symptoms of hyperacidity or heartburn, but the effect is relatively weak and short-lasting. It is suitable for relieving stomach pain, heartburn sensation (heartburn), acid reflux and other symptoms caused by excessive stomach acid. Adverse reactions such as belching due to carbon dioxide produced when neutralizing stomach acid and secondary increase in acid secretion may occur after use of this product, and patients who have taken an overdose or experienced serious adverse reactions need to seek immediate medical attention. It is not recommended for children under 6 years of age, and should be used with caution in allergic individuals. It is also contraindicated in those who are allergic to the product, those with appendicitis or suspected appendicitis, and those with unknown causes of gastrointestinal bleeding. Patients who want to use sodium bicarbonate tablets are advised to go to a regular hospital and consult a professional doctor to avoid blind use of medication.