Adhesive preparation containing sufentanil and methods of using the same

The present invention is obtained from economic starting materials, have a simple construction than the conventional Sufentanil adhesive preparations, and having an effective skin permeability, percutaneously absorbable adhesive containing sufentanil preparations and provides transdermal compositions. The preparations and compositions comprising two polyisobutylene having different molecular weights, a tackifier, and a permeation enhancer.