Air filter assembly

The invention discloses an air filter assembly, and relates to the technical field of automobile parts. Comprising an air filter upper shell assembly, an air filter lower shell assembly and a filter element, the air filter upper shell assembly comprises an upper shell, the air filter lower shell assembly comprises a lower shell arranged at the bottom of the upper shell, cyclone blades are arranged on one side of the lower shell, a dust storage box lower cover is arranged at the bottom of the lower shell, and a dust discharging assembly is arranged in the dust storage box lower cover. And the filter element is arranged in the lower shell. Dust filtered out by the filter layer is accumulated in the lower shell, the dust in the lower shell is collected through the dust discharging assembly, cleaning by a user is facilitated, the replacement frequency of the filter layer is effectively reduced, the use cost of the user is reduced, the filter layer can be backflushed through the arrangement of the backflushing ass