Self-cleaning filtering device and air conditioner

The invention discloses a self-cleaning filtering device which comprises a shell (1), and the shell (1) is provided with a return air inlet (11) and/or a fresh air inlet (12). An air outlet (13) is further formed in the top of the shell (1), and a filter screen (2) is arranged at the air outlet (13); a dust removal power device (3) is arranged above the filter screen (2); and a dust collecting part (4) is also arranged at the bottom of the shell (1) and is positioned below the filter screen (2). The invention further provides the air conditioner. According to the self-cleaning filtering device and the air conditioner provided by the invention, the cleaning frequency can be reduced by utilizing the position arrangement of the filter screen and the dust removal power device; and after long-term use, an operator only needs to clean the dust collecting component, so that the labor intensity is reduced, the cleaning efficiency can be improved, the ventilation smoothness and the air output of the air conditioner us