The utility model discloses an antibiotic antibacterial mould proof filter core of vehicle air conditioner filter, it is including supporting layer, non -woven fabrics filtering cotton layer as an organic whole admittedly in proper order and just imitate the barrier layer, and just to imitate the barrier layer and be equipped with first, the antibiotic antibacterial mould proof nethike embrane of second respectively in the surface from top to bottom, is the thickness of supporting layer 0.6 0.8mm, is non -woven fabrics filtering cotton layer thickness 0.5 0.6mm, just imitate barrier layer thickness and be 0.2 0.3mm. The utility model discloses nanometer silver fibrous layer has the broad -spectrum to be imitated antibiotic, deodorization by force, prevents static and electrically conductive function, all has fine suppression or exterminates the effect the multiple malignant bacteria including bacterium, fungi, trichomonas, mycoplasma including, has the power of exterminateing on an equal basis to being able to bear or endure the medicine fungus, safe in utilization, the environmental protection of this product, antibiotic rate reach more than 99.9%, and the mould proof grade reaches " 0 " level to reach the efficiency of antibiotic antibacterial mould proof, and still have static adsorption effect, but and the effective absorption catch small particle, and accessible cold catalyst layer can effectively dispel harmful gas such as formaldehyde, benzene, xylol, toluene, TVOC, improves the air quality with this.