There is no reliable evidence that taking Sanjiu Gastritis and sodium bicarbonate tablets at the same time will reduce the efficacy of the drug or cause adverse effects, but to be safe, it is recommended that the two drugs be taken about one hour apart. Sanjiu Gastrodia belongs to Chinese patent medicines, the main ingredients of which are trigonelline, jiulixiang, white peony, dihuang, muxiang, amphioxus, Guangmu Xiang, cloud ling, danshen and so on. It is suitable for superficial gastritis, erosive gastritis and other diseases. During the period of taking the medicine, avoid spicy, deep-fried, over-acidic food and stimulating food such as alcohol. Use with caution in patients with stomach cold, no obvious adverse reactions. The main ingredient of sodium bicarbonate tablets is sodium bicarbonate. It is suitable for stomach pain, heartburn feeling and acid reflux caused by excessive stomach acid. Adverse reactions are mainly belching, secondary to increased gastric acid secretion. Contraindications are not clear. Note that this product should not be used continuously for more than 7 days, symptoms not relieved or disappeared it is recommended to consult a physician or pharmacist, appendicitis or similar symptoms without diagnosis and gastrointestinal bleeding of unknown cause should not be used. It is recommended to take these two drugs under the guidance of a professional doctor to avoid adverse reactions or reduce the effect of the drug to avoid delays.