A wound dressing includes a hydrogel particle, and a collagen group, a chitin group and a nanometer silver line group blended within the hydrogel particle. The wound dressing is in a shape of particle, such that the wound dressing can get deeper in the wound thereby providing functions of wound healing and sterilization.一種傷口敷料,包含水膠顆粒載體、以及摻雜於水膠顆粒載體內的膠原蛋白微粒群、甲殼素微粒群以及奈米銀線群。顆粒狀的傷口敷料可以深入傷口,藉以促進傷口癒合並提供殺菌的功效。100‧‧‧傷口敷料110‧‧‧水膠顆粒載體120‧‧‧膠原蛋白微粒群130‧‧‧甲殼素微粒群140‧‧‧奈米銀線群200‧‧‧傷口210‧‧‧纖維母細胞220‧‧‧紅血球230‧‧‧基質金屬蛋白酶240‧‧‧細菌
