An antimicrobial composite material and a method for fabricating the same are provided. The antimicrobial composite material includes a porous material, a chelating agent, and a multivalent metal ion. The chelating agent is chemically bonded to the porous material, and the multivalent metal ion is chemically bonded to the chelating agent.一種抗菌複合材料及其製造方法。抗菌複合材料包括一多孔性材料、一螯合劑以及一二價以上之金屬離子。螯合劑化學鍵結至多孔性材料,二價以上之金屬離子化學鍵結至螯合劑。III-1、III-2‧‧‧曲線