The invention provides an antimicrobial material, which includes the silver ions and a chelating agent, wherein the silvers ions are chemically bonded to the chelating agent, wherein the silver ions include divalent silver ions, trivalent silver ions or combinations thereof, the chelating agent includes Ethylene diamine tetra acetic acid (EDTA), Nitrilotriacetic acid (ATA), 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) or Ethylene Diamine TetraMethylene Phosphonic Acid Sodium, (EDTMPS).本發明提供一種抗菌材料,包括:銀離子;以及螯合劑,其中銀離子化學鍵結至螯合劑,其中該銀離子包括二價銀離子、三價銀離子或上述之組合,且該螯合劑包括乙二胺四乙酸(EDTA)、氨三乙酸(ATA)、羥基乙叉二膦酸(HEDP)或乙二胺四亞甲基膦酸鈉(EDTMPS)。