Provided is a transdermal absorption preparation that shows superior skin permeability of a drug and that does not easily cause cold flow.A transdermal absorption preparation having a drug-containing layer containing a drug and a polymer, wherein 50 - 100 wt% of the polymer in the drug-containing layer is a polymer having a glass transition temperature of 30°C - 200°C, and the drug in the drug-containing layer is in an amorphous state.