Gastric atrophy is closely related to the patient’s improper diet and bad habits, to develop good dietary habits, to achieve dietary diversity, avoid eating spicy, rough, strong food. To achieve dietary diversity, supplement essential nutrients, eat more fresh vegetables and fruits, do not picky or partiality. In cooking, we should focus on lightness, strictly limit the intake of salt, avoid eating pickled and smoked food, and avoid eating spicy, rough and strong food such as chili peppers and peppers. To develop good dietary habits, do three meals a day eating regularly, do not be too full or too hungry, avoid overeating. Quit smoking, drinking and other bad habits, appropriate physical exercise. For gastric atrophy, it is necessary to consult a doctor in time and comply with medical advice for treatment to avoid further deterioration of the condition.