Keywords: gastritis etiology and pathogenesis

        Infection factors consumed by bacteria or toxins contaminated food. Common pathogenic bacteria the Salmonella genus Vibrio parahaemolyticus halophilic bacterium Helicobacter pylori, and some influenza virus and enterovirus. Staphylococcus aureus toxin toxin is the most common. Salmonella are often grown meat, and eggs. The Vibrio parahaemolyticus mainly crabs, fish, snails, jellyfish and other seafood pickles, food, milk, meat, hot days, long home suitable for the of staphylococcal breeding and produce enterotoxin.

        Second, the physical factors of physical and chemical factors such as eating hot, too cold, rough food, X-ray irradiation. Chemical factors such as spirits coffee, tea, spices, and certain drugs can damage the gastric mucosa, causing inflammatory changes.

        Other overeating, fatigue, cold the body defenses are weakened or damaged gastric mucosal barrier, vulnerable to the above factors and the incidence of the invasion.