Oseltamivir (i.e., oseltamivir phosphate) and Antiviral Oral Liquid can generally be taken together under the supervision of a physician, with attention to relevant contraindications to medication and adverse reactions. Oseltamivir phosphate inhibits viral replication and dissemination and is indicated for the treatment of influenza A and B in adult and pediatric patients 1 year of age and older, and for the prevention of influenza A and B in adult and adolescent patients 13 years of age and older. Contraindication to the use of the drug is hypersensitivity to the product. Common adverse reactions during administration include nausea, vomiting, and headache. Antiviral Oral Liquid is effective in clearing away heat and dampness, cooling the blood and detoxifying the toxin (referring to the treatment of blood-heat and toxicity), and is suitable for the treatment of wind-heat cold (manifested as fever, sweating, thirst, sore throat, slight wind, turbid nasal discharge, coughing and spitting of yellow sputum) and influenza. Contraindications include hypersensitivity to the product, pregnant and lactating women. Adverse reactions include nausea, vomiting, abdominal pain, abdominal distension, diarrhea, abdominal discomfort, allergic reactions, skin rashes, itching and so on. Avoid smoking, alcohol, spicy, cold, greasy food, tonic Chinese medicine. Oseltamivir phosphate and antiviral oral solution can be used for the treatment of influenza, the two generally do not have drug interactions, can be under the guidance of the physician for simultaneous use of drugs. Specific medication should follow the doctor’s instructions.