Influenza A virus infection requires antiviral treatment first, followed by symptomatic treatment such as fever reduction and cough suppression, in addition to general treatment such as isolation and dietary attention. 1. Antiviral treatment: In case of influenza A virus infection, neuraminidase inhibitors such as oseltamivir, zanamivir, paramivir, etc. or M2 protein inhibitors such as amantadine can be used according to doctor’s instructions. The use of antiviral drugs can reduce symptoms and prevent the occurrence of severe pneumonia. 2. Symptomatic treatment: when fever, alcohol wiping, ice packs and other physical fever reduction, the aforementioned methods are ineffective or the temperature is higher than 38.5 ℃, you can take ibuprofen, acetaminophen and other medications to reduce fever as prescribed by the doctor; when coughing, codeine, dextromethorphan and other cough suppressants can be used. 3. General treatment: some patients with influenza A need to be isolated until 7 days after the disease or 1 day after the disappearance of symptoms; in addition, they should also pay attention to rest, drink plenty of water, eat a light diet, strengthen nutrition, the symptoms are not serious, but also can be arranged for appropriate physical exercise. Patients infected with influenza A virus should go to the hospital in a timely manner and receive standardized treatment under the guidance of a doctor.