The treatment of gastritis includes: 1, pay attention to diet: remove the harmful factors mainly, such as like to eat spicy, stimulating, hard, rough, fried, smoked, pickled food; 2, medication: gastric mucous membrane protectant, acid-suppressing medication, medication for the eradication of Helicobacter pylori, and medication for the improvement of symptoms; 3, endoscopic treatment: mucous membrane lesions or gastric polyps with the tendency of cancerous transformation can be treated by endoscopic treatment, such as endoscopic mucous membrane resection, endoscopic argon ion coagulation, and laser treatment, and so on.