A wall-mounted aromatic air freshener device includes a board, and a housing and a frame, both disposed at a backside of the board, a container disposed in the housing for containing an essential oil, a light emitting element and a light emitting control element, both installed in the frame, a switch device for turning on or off the light emitting element, such that an oil wick can absorb and vaporize an essential oil to disperse an aromatic air, and the light emitting element produces an optical decorative effect, so as to constitute the aromatic air freshener device.