Influenza A h3n2 is influenza A H3N2, patients can take oral neuraminidase inhibitor drugs under the guidance of a physician for antiviral treatment, in addition to symptomatic medication. 1. Antiviral treatment: oral antiviral drugs are the main treatment means to deal with influenza A H3N2, and the neuraminidase inhibitor drugs listed in China for the treatment of influenza A are oseltamivir phosphate, paramivir, and zanamivir, which should be used within 48 hours after the onset of symptoms. These drugs can cause nausea, vomiting and other gastrointestinal adverse reactions. 2. Symptomatic medication: Influenza A (H3N2) patients also need to follow the doctor’s instructions for symptomatic medication to alleviate some of the discomforts caused by the disease, such as the emergence of high fever can always be acetaminophen, ibuprofen and so on for antipyretic and analgesic, coughing severe available dextromethorphan, a cough suppressant. Regardless of the individual’s condition, influenza A H3N2 is treated with antiviral therapy, specific medication programs need to follow the doctor’s instructions, not abuse of drugs.