Bathroom mirror device with decontamination and demisting functions

The invention discloses a bathroom mirror device with decontamination and demisting functions. The device structurally comprises a decontamination and demisting device, a bath mirror and a dust-proofwater collecting cover, wherein the decontamination and demisting device wraps the bath mirror, and a bottom plate of the decontamination and demisting device is provided with the dustproof water collecting cover which is in fit contact with the bottom plate. Compared with the prior art, the device has the advantages that the bath mirror and people can be protected, people can be effectively prevented from being injured by edges of the bath mirror, and the space occupied by the bath mirror is also saved; the characteristic that an equilateral triangular prism has three planes is utilized, people do not need to use many rags, two planes are used for decontamination, and one plane is matched with a detergent for demisting, so that the detergent forms an isolation layer on the mirror surface;active ingredients are co