Disclosed is a safe, transdermal absorption preparation useful in the treatment of fungal infections, having excellent skin permeability and strong antifungal activity, and greatly contributing to a patient's quality of life. The disclosed transdermal absorption preparation contains 4-{3-[4-(3-{4-[amino (imino) methyl] phenoxy} propyl)-1-piperidinyl] propoxy} benzamidine, or a salt thereof, and a transdermal absorption enhancer.
