Recently, The World Health Organisation (WHO) raise the epidemic warning of received this notice, then announced officially the epidemic of Influenza A(H1N1).In future will strengthen the quarantine,and prevent the spread of infection.Swine influenza which is the origin of Influenza A(H1N1), and A type Russia influenza which is epidemic in Japan every winter, both bolong to H1N1 and are generally considered relatively easy to cure. So far, the rooms, such as elder's home and kindergarten ect,which use OHNIT's production,have not been happened the infection of influenza. For this reason,we canbelieve ozone have a great effect on the inhibition of influenza.Ozonecan make the virus lost the activity, and currently attracted widespread attention and expectation as the effective prevention to Influenza A(H1N1).