The buprenorphine percutaneous absorption

The present invention discloses a percutaneous absorption preparation containing buprenorphine backing material, one side of which is formed with a backing material containing at least one of buprenorphine and a salt of the pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer contains an acrylic copolymer and crosslinked acrylic copolymer particles. Such buprenorphine percutaneous absorption preparation has excellent pressure-sensitive adhesive properties, and exhibit excellent percutaneous absorption property.