Methods of use of an anti-methicillin-resistant Staphylococcus aureus agent (anti-MRSA agent) and an anti-vancomycin-resistant Enterococcus agent (anti-VRE agent) contain as an active ingredient a Macaranga tanarius extract extracted from Macaranga tanarius with an extraction solvent including at least an organic solvent are disclosed. The anti-MRSA agent and the anti-VRE agent contain as an active ingredient at least one selected from nymphaeol-A, nymphaeol-B, and nymphaeol-C.
