The present invention relates to a medical dressing material used for protecting and at the same time treating skin wounds such as burns, wounds, traumas, etc. More specifically, the present invention relates to a medical dressing material comprising a release paper and an adhesive sheet fixed to the top of the release paper and adhered to the skin, wherein the release paper comprises a fixed release paper and a separable release paper wherein the separable release paper is fixed to the fixed release paper through an incision part and a connection part formed on the fixed release paper and has a predetermined area which is positioned to overlap with the lower surface of the adhesive sheet such that when the adhesive sheet is separated from the fixed release paper, the predetermined area is separated together with the adhesive sheet.
