Influenza A generally refers to Influenza A H1N1, Influenza A H1N1 generally can not blow air conditioning. Influenza A H1N1 is an acute respiratory infectious disease caused by influenza A H1N1 virus infection, the general population susceptible, especially children, the elderly, patients with chronic diseases or pregnant women and other people with poor autoimmune function, mainly through droplets, direct or indirect contact transmission. Influenza A (H1N1) patients with low immunity and resistance, can appear fever, cough, cough, sputum, runny nose, nasal congestion, general body aches and pains, and other symptoms, severe cases may also appear high fever, viral pneumonia, combined with respiratory failure. Generally can not blow air conditioning, so as not to aggravate the symptoms, not conducive to the recovery of the disease. In addition, patients with influenza A (H1N1) in their daily lives, need to maintain environmental hygiene, regular ventilation, keep the indoor air fresh. Prolonged blowing air conditioning in a closed environment, with poor air flow, reduced environmental humidity, microorganisms can easily breed, etc., is not conducive to the recovery of the body of patients with influenza A (H1N1). It is recommended that patients with influenza A (H1N1) follow the doctor’s instructions to standardize the treatment, and at the same time should pay attention to warmth, avoid prolonged blowing air conditioning.