Influenza A is influenza A H1N1, recurrent fever can be treated with medication as prescribed by the doctor, but also physical cooling. Influenza A H1N1 is mainly caused by the infection of influenza A H1N1 virus, belongs to an acute respiratory infectious disease. When patients have persistent high fever, recurrent fever phenomenon, patients can follow the doctor’s instructions with ibuprofen, acetaminophen, diclofenac sodium and other non-steroidal anti-inflammatory drugs to reduce the temperature, but also the application of oseltamivir, zanamivir and other antiviral drugs to control the condition. In addition to the medication prescribed by the doctor, repeated fever of influenza A (H1N1) patients should also actively carry out physical cooling, such as placing ice packs on the head, warm water or alcohol baths. It is worth noting that children’s skin is delicate, avoid using alcohol wipe. During the recurrent fever, pay attention to replenish water, prevent water electrolyte disorders. It is recommended that people with recurrent fever of influenza A (H1N1) be treated with medication under the guidance of a physician, and should not use drugs or prescriptions indiscriminately on their own. Since the disease is contagious, close contact with others should be avoided during treatment.