本發明為提供一種具雙芳香環結構的咪唑抗菌劑及含有該抗菌劑的抗菌液,其中,該具雙芳香環結構的咪唑抗菌劑對細菌及真菌均可具有良好的抗菌能力。 The present invention provides an imidazole antibacterial agent having a double aromatic ring structure and an antibacterial solution containing the antibacterial agent, wherein the imidazole antibacterial agent having a double aromatic ring structure has a structure represented by the following formula (I), wherein R1 is selected from C8-C20 alky group, R2 is selected from hydrogen or C1-C3 alkyl group, X1- is selected from halogen ions; and the imidazole antibacterial agent having a double aromatic ring structure has good antibacterial activity against bacteria and fungi.