Influenza A h3n2 can be treated with general therapy, antipyretic and analgesic drugs and anti-influenza virus drugs. Type A h3n2 virus is a kind of influenza A virus, which is highly contagious and can be spread through droplets and other ways. After being infected with this virus, patients will have fever, headache, runny nose and many other flu symptoms. It is recommended that treatment should be carried out in time. 1. General treatment: after suffering from influenza A h3n2, it is recommended that patients take bed rest, drink more water, pay attention to nutrition, and closely observe and monitor complications. 2. Antipyretic and analgesic drugs: If the patient has high fever, antipyretic and analgesic drugs such as ibuprofen extended-release tablets and acetaminophen can be given for treatment. 3. Anti-influenza virus drugs: Oral oseltamivir phosphate capsules and other drugs can be taken to inhibit the neuraminidase enzyme of influenza A virus, thus inhibiting the release of the virus and reducing the spread of the virus. After the diagnosis of influenza A h3n2, patients should follow the doctor’s instructions to standardize the use of drugs for treatment, avoid blindly self-medication.