The purpose of the present invention is to provide micro- or mili-capsules and film preparations having not only sustained-release function but also targeting and adhesive functions with approximately 100% loading efficiency of the objective substance. The present invention provides a parenteral preparation having three layers structure of； basement layer composed of polymer； carrying layer that contains objective substances selected from drugs, aroma chemicals, mosquito propellant, dyes, cells or antigens； and surface layer, and in which the carrying layer is sandwiched between the basement layer and the surface layer.
