Provided is a piroxicam-containing endermic adhesive patch which contains piroxicam as a non-steroidal anti-inflammatory analgesic agent, and an absorbefacient for promoting the absorption of piroxicam, and which achieves excellent anti-inflammatory and analgesic effects without inhibiting drug releasability. The disclosed piroxicam-containing endermic adhesive patch is characterized by containing piroxicam as the medicinal component and oxybuprocaine or a pharmaceutically acceptable salt thereof as the absorbefacient, wherein the content of piroxicam to the total weight of the drug-containing plaster is 0.1-5% by weight and the content of oxybuprocaine or the pharmaceutically acceptable salt thereof to the total weight of the drug-containing plaster is 1-30% by weight.
