Abstract: Disclosed is an air purifier with an ambient lamp. The air purifier includes an upper housing, a lamp belt, and a lower housing, where a bottom edge of the upper housing is provided with a fixing recess matching the lamp belt in shape, the lower housing includes a base and a supporting plate vertically arranged at a preset position of the base, and the base is fixedly connected to a bottom of the upper housing, such that one end of the supporting plate away from the base presses the lamp belt in the fixing recess, and the lamp belt is arranged opposite an edge of the base at an interval. According to the present invention, the lamp belt is fixed to the bottom of the upper housing, and the lamp belt and the base of the lower housing are arranged at an interval.