The present invention provides a patch containing a support and an adhesive layer formed on at least one surface of the support, wherein the adhesive layer has a gel fraction of 50 wt% - 75 wt%, and is comprised of a composition containing 33 wt% - 65 wt% of a liquid rubber having a crosslinkable functional group in a molecule, which has an adhesive layer with a thickness sufficient for protection of a skin lesion and a wounded surface, which is flexible, adheres well to the skin, provides good feeling during adhesion, leaves less adhesive residue when removed from the skin, and shows good followability to skin deformation, as well as a patch preparation capable of sufficiently retaining a medicament and the like.