Atomizer

The utility model discloses an atomizer which comprises an atomizing cup, a mouth-nose mask connected with the atomizing cup and a head band. The head band comprises a wide band body, four thin band bodies and two adjusting band bodies, the two ends of the wide band body are each fixedly connected with the two thin band bodies, an ear hole is formed between the two thin band bodies, the ends of the two thin band bodies on the same side are fixedly connected to one end of the same adjusting band body, and the two thin band bodies on the same side are fixedly connected to the other end of the adjusting band body. The other ends of the two adjusting belt bodies penetrate through the edges of the two sides of the mouth-nose mask respectively and are folded at the penetrating positions, the ends, where the folding positions are located, of the adjusting belt bodies are provided with mother buckles and a plurality of son buckles detachably connected with the mother buckles, and the mother buckles are closer to the