High fever of influenza A needs to go to the hospital in time for treatment, physical cooling, and the use of antipyretic drugs under the guidance of the doctor, as well as anti-influenza virus treatment. Influenza A is a disease caused by the infection of the body with influenza A virus, and the main symptoms include fever, cough, dizziness and fatigue, muscle aches and pains. When high fever is present in Influenza A, fever-reducing medications such as ibuprofen and acetaminophen can be taken under doctor’s supervision, along with early anti-viral treatment, commonly used medications such as oseltamivir. Aspirin should not be used in children. At the same time, with the physical cooling such as wet towels wipe the whole body, or ice on the forehead, etc., to help the body temperature drop as soon as possible. Drinking plenty of water is good for lowering the body temperature, and it can also prevent a lot of sweating after using antipyretics, which leads to dehydration of the body.