The invention provides a novel air purification device. The device comprises a first box, a second box, a first annular filter net, a second annular filter net and a third annular filter net, wherein a baffle is arranged in the first box and sequentially divides the inside of the first box into a first chamber and a second chamber from top to bottom; a first air outlet is arranged on a top plate of the first chamber, and an ultraviolet lamp is arranged in the first chamber; an air inlet and a water outlet are arranged on a bottom plate of the second chamber, a liquid inlet pipe is arranged in the second chamber, and a plurality of nozzles are arranged on the liquid inlet pipe; the second box is arranged in a purification liquid, an air jet loop formed by multiple air jets is circumferentially arranged on the outer side of the second box; the first annular filter net is arranged in the second box, the second annular filter net is arranged in the first annular filter net, and the third annular filter net is arranged in the second annular filter net. The device purifies air repeatedly, has the high laddering property, can effectively remove solid pollutants in air and has a good removal effect on bacteria, viruses and chemical pollutants.