Oseltamivir Capsules (which means Oseltamivir Phosphate Capsules) can inhibit viral replication and dissemination, and is mainly used for the prevention and treatment of influenza A and B. Oseltamivir Phosphate Capsules inhibit viral replication and dissemination as well as inhibit viral pathogenicity, and are suitable for the treatment of influenza A and B in adults and children 1 year of age and older, as well as for the prevention of influenza A and B in adults and adolescents 13 years of age and older. The drug is contraindicated in people who are allergic to the product. Adverse reactions such as bronchitis, nausea, vomiting, insomnia and dizziness are common in adults; vomiting, epistaxis (nosebleed), earache, abdominal pain and conjunctivitis are common in children. Specific use of the drug should be carried out under the guidance of a specialist, and should not be used without authorization.