Objective To investigate the clinical and pathological outcome of gastric mucosa lesions in chronic atrophic gastritis treated with Helicobacter pylori(H.pylori)eradication combined with folic acid(three months treatments).Methods From December 2009 to December2010,outpatients with chronic atrophic gastritis were selected and divided into H.pylori positive group and H. Objective To investigate the clinical and pathological outcome of gastric mucosa lesions in chronic atrophic gastritis treated with Helicobacter pylori (H. pylori) eradication combined with folic acid (three months treatments). Methods From December 2009 to December 2010, outpatients with chronic atrophic gastritis were selected and divided into H. pylori positive group and H.