Omeprazole enteric-coated capsules are used for peptic ulcer and reflux esophagitis, 1-2 times a day; for Dreh-Eltzinger syndrome, 1 time a day. Omeprazole enteric-coated capsules can be used clinically for the treatment of peptic ulcer, reflux esophagitis, and Droege’s-Ayer’s syndrome, etc. Usage may vary depending on the purpose. 1. Peptic ulcer: generally 1 capsule at a time, 1-2 times a day, it is recommended that the morning or the morning and evening once, for gastric ulcers in general the course of treatment needs 4-8 weeks; for duodenal ulcers in general the course of treatment 2-4 weeks. 2. Reflux esophagitis: generally 1-3 capsules once, once a time, after which the dose can be adjusted by a specialist according to the patient’s condition, if the dose exceeds 4 capsules a day, it is recommended to be divided into two doses. 3. Zhuo – Ai syndrome: generally 3 capsules once, once a day, and then the total daily dose can be adjusted according to the needs of the condition of 1-6 capsules, if the total dose of a single day more than 4 capsules, need to be divided into two times a day to take. Omeprazole enteric-coated capsules common adverse reactions include headache, diarrhea, nausea and vomiting, lactation, pregnancy and infants and young children are prohibited. The use of Omeprazole Enteric Capsules carries certain risks and it is recommended that patients have the need to be guided by a specialist.