An adhesive patch which is provided with a support layer and an adhesive layer, and wherein: the adhesive layer contains at least one substance selected from the group consisting of butorphanol and pharmaceutically acceptable salts thereof, a rubber-based adhesive base agent and a silicone-based adhesive base agent； and the mass ratio of the rubber-based adhesive base agent to the silicone-based adhesive base agent in the adhesive layer, namely (mass of rubber-based adhesive base agent):(mass of silicone-based adhesive base agent) is from 9.5:0.5 to 1.9:8.1.本發明之貼附劑係具備支持體層及黏著劑層者，並且 上述黏著劑層含有選自由布托啡諾及其藥學上所容許之鹽所組成之群中之至少1種、橡膠系黏著基劑、及聚矽氧系黏著基劑，且 上述黏著劑層中之上述橡膠系黏著基劑與上述聚矽氧系黏著基劑之質量比(橡膠系黏著基劑之質量：聚矽氧系黏著基劑之質量)為9.5：0.5~1.9：8.1。
