The present invention is related to an pasting structure that comprises a back-material layer which is formed by attaching the film layer and the porous supporting layer to each other; and a gel layer, one side of the gel layer is bonded to the porous supporting layer and part of the gel layer penetrate pores; wherein the back-material layer and the gel layer closely adhered to each other to form a transparent pasting structure. The pasting structure of the present invention is used as wound dressing which easily observes the wound change and healing status at any time. In the meantime, that provides higher moisture permeability and comfort.