Environment-friendly air purification device

The utility model discloses an environment-friendly air purification device. The environment-friendly air purification device comprises a rack, a shell covering the rack and a filter cartridge arranged on the rack, the filter cartridge comprises a cartridge body and a first wing plate which extends from the outer side wall of the end part of the cartridge body along the radial direction, and the first wing plate is fixed on the rack or the shell; an air flow channel with an upper inlet and a lower outlet is formed in the filter cartridge, and a primary filter mechanism, an air guide mechanism, a secondary filter mechanism, a sterilization mechanism and a waterproof breathable film are sequentially arranged in the air flow channel in the air flow direction; the primary filtering mechanism comprises a carrier provided with a filter screen, the outer side wall of the carrier extends in the radial direction to form a second wing plate, a magnet is fixed to the lower surface of the second wing plate, and the magne