▎ 摘　　要

NOVELTY - The utility model claims an air purifier, comprising a position of the case body and a light generating device for absorbing formaldehyde, air outlet of said shell is set with a shelf, the shelf is provided with a graphene coating, said light generating device for irradiation on the shelf of the graphene coating. the air purifier, the graphene coating graphene coating set on the shelf in the shell is provided with a light generating device, the light generating device irradiate on the shelf, because graphene has large specific surface area, it can efficiently absorb the formaldehyde.