The present invention relates to antimicrobial bucket for the humidifying device comprises a water bottle, the antimicrobial material of the casing form is positioned in the interior of the water bottle for supplying water for room humidification, the antimicrobial material is a first chamber inside the case providing a second is divided indeed jimyeo air is filled in the first chamber the second chamber has the antibacterial water is accommodated has a sterilizing and bacteriostatic function, the surface of the second chamber has a plurality of through holes are perforated in the structure that water passes to be a variety of microorganisms, including bacteria in the interior of the bucket body to the floating state, characterized in that the antimicrobial and bacteriostatic to bactericidal. The present invention is a built-in antimicrobial body accommodating the antibacterial water of the solid inside the bucket, the bucket of the inner surface by providing an antibacterial water basin for the humidification device forming the organic antibacterial agent coating the occurrence of various microorganisms, including bacteria and fungi blocking, by inhibiting bacterial contamination inside the bucket, as well as can prevent even the resulting water pollution. Humidifier, antibacterial, water bottles, sterilization, decontamination, bacteria, microbes, fungi, coatings, air purifiers