The present invention provides a transdermal-absorption-type patch containing a pharmacologically acceptable salt of solifenacin and having exceptional transdermal absorption properties, storage stability, and safety. The present invention pertains to a transdermal-absorption-type patch having a support and a drug-containing layer, wherein the drug-containing layer of the transdermal-absorption-type patch contains a pharmacologically acceptable salt of solifenacin and an inorganic base.本發明提供一種經皮吸收性、保存安定性及安全性均優異的且含有索利那辛之藥學上容許鹽的經皮吸收型貼付劑。本發明相關的經皮吸收型貼付劑，係具支撐體與含藥物層的經皮吸收型貼付劑，其中，該含藥物層係含有索利那辛之藥學上容許鹽及無機鹼。
