Gastritis caused by Helicobacter pylori infection can be treated with amoxicillin, gastritis caused by other factors, such as alcohol, drugs, food, etc. can not be treated with amoxicillin. Amoxicillin belongs to is an antibiotic, if it is Helicobacter pylori infection caused by gastritis, can be treated with quadruple therapy, this situation can be treated with amoxicillin, clarithromycin, omeprazole, colloidal bismuth pectin and so on. If the gastritis is caused by alcohol stimulation, drug stimulation, such as aspirin, etc., and taking spicy food, it does not need to be treated with amoxicillin, but can be given antacids, such as omeprazole, rabeprazole, etc. Combined application of aluminum thioglycollate, magnesium aluminum carbonate chewable tablets and other drugs. Gastritis patients are advised to seek medical attention and use medication under the guidance of a physician, do not take medication on your own.