Mild atrophic gastritis with focal enterocolitis is not serious. Mild atrophic gastritis with focal intestinal chemosis is a more common disease, focal intestinal chemosis refers to the appearance of a small amount of abnormal intestinal epithelial tissue in the stomach, is a precancerous lesion of gastric cancer, but because of the presence of only focal size intestinal epithelial hyperplasia, so timely treatment can be effectively controlled. The cause of atrophic gastritis is mostly caused by Helicobacter pylori infection, it is recommended to improve the breath test, if there is this bacterial infection, it is recommended to take anti-Helicobacter pylori and other treatments, such as quadruple drug amoxicillin, clarithromycin, omeprazole, bismuth pectin, etc., the specific medication should be taken under the guidance of the doctor, and surgical resection of diseased tissues can be considered in the case of severe symptoms. It is recommended that patients standardize treatment under the guidance of a doctor.