The most common causes of gastritis are stress, alcohol consumption, H. pylori infection, long-term consumption of spicy and irritating foods, and irregular diet. In the treatment of gastritis patients mainly choose acid-suppressing drugs, acid-suppressing drugs can choose omeprazole, pantoprazole, lansoprazole, rabeprazole, etc., can also be added to the antispasmodic and analgesic drugs, antispasmodic and analgesic drugs routinely choose drotavirine, mebendazole, etc. If combined with H. pylori infection need to add anti-H. pylori treatment, currently more than choose quadruple therapy, the main need to add two antibiotics, the most commonly used antibiotics are amoxicillin and clarithromycin, other antibiotics can choose levofloxacin, tinidazole, ornidazole, furazolidone and so on.