How many capsules of omeprazole you take in 1 day depends on the size of the drug purchased. It is recommended to take 20mg of omeprazole each time, 1-2 times/day. If it is 10mg/capsule of omeprazole then 2 capsules/time, 2 times/day or 1 time/day; if it is 20mg/capsule of omeprazole, 1 capsule/time, 1-2 times/day. For common chronic superficial gastritis, omeprazole can be taken only 20mg/day. For eradication of H. pylori, the recommended dose of omeprazole is 20mg/time, 2 times/day, which means 40mg of omeprazole per day. Gastric patients should take omeprazole in combination with gastric mucosal protective agent treatment, such as the commonly used gastric mucosal protective agent is bismuth, that is, colloidal bismuth pectin or bismuth potassium citrate, gastric bismuth magnesium, etc.. It is recommended that omeprazole or other proton pump inhibitors and bismuth be taken orally before meals for a more desirable effect.