Omeprazole is not a hormone drug, Omeprazole is a proton pump inhibitor, which works by inhibiting the proton pump on top of the stomach wall, and can inhibit the secretion of gastric acid. it is generally used for the treatment of gastritis, gastric erosions, peptic ulcers, Helicobacter pylori infection, and reflux esophagitis. When used in the treatment of the above diseases, mild cases can usually be relieved by taking it orally once a day in the morning, if the condition is more serious, it is recommended to take it once before breakfast and once before going to bed in the evening, 20mg each time.When used in the treatment of Helicobacter pylori infection, it is necessary to cooperate with amoxicillin, clarithromycin, colloidal bismuth in colloidal pectin together with the course of treatment for more than 3 weeks. When used for the treatment of reflux esophagitis, it needs to be combined with mosapride citrate, and the course of treatment is also more than 3 weeks.