Provided is a transdermal absorption-type patch containing a serotoninreceptor antagonist, which has a short transdermal absorption delay time (lagtime),and in which the maximum transdermal permeation rate of the drug can bereachedwithin a short period and the drug can disappear from circulating bloodrapidly.That is, provided is a patch containing a serotonin receptor antagonist,wherein thepatch contains an adhesive layer comprising a non-functional acrylic adhesive,awater-soluble organic amine, a fatty acid ester, and a serotonin receptorantagonistsuch as granisetron as an active ingredient.