Eating lamb’s stomach can usually reverse atrophic gastritis. Because Lamb’s Stomach Vitamin B12 can transform the atrophic mucosa caused by atrophic gastritis into normal mucosa, atrophic gastritis is a chronic digestive disease characterized by gastric mucosal epithelium, glandular atrophy, thinning of gastric mucosa, etc., which leads to a decrease in the ability of gastric secretion of fluids and pepsin, and is usually manifested as abdominal vague pain, bloating, loss of appetite and other symptoms. Patients can also use Rebapatide, aluminum sulfate and other drugs, these drugs can form a protective film, isolate gastric acid to protect the damaged gastric mucosa, and stimulate the gastric mucosa to secrete mucus on the epithelial cells to form a repair effect, so as to achieve therapeutic effect. The medication should be used in accordance with the doctor’s instructions to avoid adverse reactions. It is recommended that patients should go to the hospital for examination and treatment to avoid deterioration of the condition.