How many years can you live with atrophic gastritis C2 needs to be decided based on the patient’s underlying disease, simple atrophic gastritis does not affect life expectancy. Atrophic gastritis c2 refers to a more serious grading degree of atrophic gastritis, atrophic gastritis belongs to pre-cancerous lesions, indicating that there is a certain possibility of transformation into gastric cancer, but it is not certain that gastric cancer will occur. Atrophic gastritis c2 indicates that the degree of atrophy of gastric mucosa is more serious, which has exceeded the gastric angle, and it is easy to cause epigastric discomfort, abdominal pain, loss of appetite, fatigue and other symptoms, which need to be treated in order to avoid cancerous transformation, and its treatment includes medication, balanced diet, regular work and rest and so on. 1. Medication: Atrophic gastritis is a kind of chronic gastritis, accompanied by Helicobacter pylori, which is often treated with quadruple therapy, i.e., proton pump inhibitor, bismuth agent, two kinds of antibiotics, such as omeprazole, bismuth potassium citrate, furazolidone, amoxicillin and so on, which are used in combination. 2. balanced diet regular work and rest: atrophic gastritis patients should eat a light diet, avoid eating spicy stimulating food to protect the gastric mucosa, at the same time should be regular work and rest, go to bed early and get up early, to avoid emotional excitement leading to stress ulcers. Patients with atrophic gastritis c2 should follow the doctor’s instructions and actively cooperate to prevent disease progression.