Influenza B is Influenza B. Patients can take oral antiviral drugs such as Oseltamivir and Abidol as prescribed by the doctor, and can also use Zanamivir inhalation powder mist for treatment. 1. Oseltamivir: It is mainly used for the treatment of influenza A and B in adults and children aged 1 year and above, as well as the prevention of influenza B. Adverse effects of the drug have not been determined. Oseltamivir is contraindicated in people who are allergic to Oseltamivir. 2. Abidol Tablets: Abidol is mainly used for the treatment of upper respiratory tract infections caused by influenza A and B viruses, patients may experience nausea, diarrhea, dizziness and other adverse reactions after taking the drug, and is contraindicated in those who are allergic to it. 3. Zanamivir Inhalation Powder Mist: Zanamivir Inhalation Powder Mist is mainly used for the treatment of influenza caused by influenza A and B viruses, some patients may experience headache, dizziness, gastrointestinal dysfunction and other adverse reactions after taking the drug, and is contraindicated in those who are allergic to Zanamivir Inhalation Powder Mist. Patients suffering from influenza B should consult a doctor in time and take the medication as prescribed by the doctor, and should not use the medication without authorization.