Disclosed is an antibacterial product including at least one antibacterialpart,wherein the antibacterial part includes a surface layer containing silversintered under anitrogen atmosphere or silver oxide sintered under an oxygen atmosphere. Theantibacterial product prevents the proliferation of bacteria arising due touse thereof,kills bacteria, sterilizes and purifies contaminated water, and exhibits anantibacterialeffect against harmful bacteria within at most 6 hr, and preferably an earlyantibacterialeffect within 3 hr, especially 2 hr.
