The invention discloses a reduction antibacterial material and a preparation method thereof. The reduction antibacterial material is prepared from 25 to 90 weight parts of base material, 15 to 55 weight parts of reducing agent, 5 to 35 weight parts of antibacterial agent and 10 to 30 weight parts of bonding agent, wherein the base material is prepared from medical stone, clay, tourmaline, ferric oxide, silicon oxide, calcium oxide and kieselguhr; the reducing agent is prepared from metallic magnesium powder, magnesia powder, zirconium oxide, titanium oxide, iron powder and nano zinc; the antibacterial agent is prepared from nano zinc, titanium oxide, cerium oxide, nano silver and copper; the bonding agent is prepared from water and one or several of hydroxypropyl cellulose, attapulgite andkaolin.