H1N1 influenza, commonly referred to as Type A influenza, is highly contagious and considered an acute upper respiratory infectious disease. Typically, the incidence of this disease is very high during the flu season. It can be transmitted through respiratory droplets. In cases of H1N1 influenza virus infection, appropriate antiviral drugs can be used for symptomatic treatment. Generally, the condition of H1N1 influenza can be effectively controlled. Patients with this type of influenza usually recover within about a week with timely and effective treatment. Therefore, H1N1 influenza is treatable, and the course of the disease generally lasts about a week.