Atrophic gastritis with mild heterogeneous hyperplasia of the glandular epithelium can be intervened by diet adjustment, medication and regular checkups under the guidance of a doctor. 1. Dietary adjustment: Avoid eating too hot, smoked or relatively irritating food, such as bacon, squash, spicy food, etc., eat more fresh vegetables and fruits, quit smoking and drinking, and maintain a good life style. 2. Drug treatment: first of all, carbon 13 or carbon 14 breath test should be carried out, if there is Helicobacter pylori infection, it is necessary to use quadruple therapy for the eradication of Helicobacter pylori, including proton pump inhibitor + bismuth + two kinds of antimicrobial drugs, such as omeprazole, colloidal bismuth pectin, amoxicillin, clarithromycin and so on. Meanwhile, it is combined with drugs that help digestion and improve gastrointestinal dynamics, such as domperidone and compound digestive enzymes. 3. Regular checkups: For mild heterogeneous hyperplasia of adenoepithelium in atrophic gastritis, after giving appropriate treatments, review the gastroscope at one-year intervals for regular follow-ups, and if it develops into severe heterogeneous hyperplasia, it can be endoscopically resected or surgically resected under the guidance of the doctor. Drug treatment and regular checkups should be carried out under the guidance of specialized doctors.