The invention relates to new application of
corosolic acid, in particular to a
medicine for resisting respiratory syncytial
virus, the
medicine comprises
corosolic acid, the
medicine further comprises at least one pharmaceutically acceptable carrier, and the carrier is selected from
excipient, stabilizer, disintegrating agent or sustained-release material. The administration dosage of the
corosolic acid is 16 mg / kg to 50 mg / kg. The
pharmacological action of corosolic acid in resisting the respiratory syncytial
virus is found for the first time by carrying out HE
staining, ELISA, PCR and other related antiviral researches on corosolic acid, and the oral preparation prepared by the invention is simple in preparation method, remarkable in effect and high in pertinence, and has positive significance in treatment of resisting the respiratory syncytial
virus.