Lamb’s stomach should refer to lamb’s stomach extract Vitamin B₁₂ capsules (or granules), this kind of drug can be used for the treatment of atrophic gastritis, but the specific efficacy of the treatment varies from person to person, the use of medication must be carried out in accordance with medical advice. Lamb’s stomach extract contains lactase and pepsin and other ingredients, with the protection of gastric mucosa, promote gastrointestinal gland secretion, improve blood circulation in the digestive tract, the current clinical use of lamb’s stomach extract Vitamin B ₁ ₂ capsule (or granules) treatment of chronic gastritis due to loss of appetite, epigastric discomfort, bloating and other symptoms. Atrophic gastritis, as one of the types of chronic gastritis, can also be treated with these drugs. However, lamb’s stomach, which is not in pharmaceutical form, is only a food product and cannot be used as a substitute for regular medication in the treatment of atrophic gastritis. However, it should be noted that the specific efficacy of Lamb’s Stomach Extract Vitamin B₁₂ Capsules (or granules) may vary depending on the user’s physical condition and compliance, the severity of the disease and other factors, and the drug is prohibited for people who are allergic to it or have gastric mucosal bleeding, and there may be stomach discomfort, back itching and other adverse reactions during the use of the drug. Therefore, those who need to use Lamb’s stomach to treat atrophic gastritis must choose the above drugs under the guidance of a doctor for standardized treatment, and must not blindly dispose of them on their own in order to avoid improper intervention and adverse consequences.