An object of the present invention is to provide a wound dressing device that can exert an effect without the need to carry a special substance and can be widely applied to a wide variety of wounds. The method includes at least one silk fibroin nanofiber layer (2) and an absorbent layer (4), wherein the fibroin nanofiber layer (2) contacts the user's wound and aids healing. . [Selection] Figure 2B【課題】特別な物質を担持させる必要なしに効果を発揮させることができ、多種多様な創傷に広範に適用できる創傷被覆用具の提供。【解決手段】少なくとも１枚の絹フィブロインナノ繊維の層（２）及び吸収剤層（４）を含み、フィブロインナノ繊維の層（２）は、使用者の創傷と接触して、治癒を補助する。【選択図】図２Ｂ
