Application of enoxacin in prevention and/or treatment of flavivirus infection

The invention relates to the field of virus infection treatment and discloses application of enoxacin in prevention and/or treatment of flavivirus infection. By using enoxacin, infection of flavivirus(especially zika virus) can be effectively prevented and/or treated, and virus genome duplication can be inhibited. The application of enoxacin has an exact anti-virus effect.