DRAINAGE FILTRATION SYSTEM OF WASHING MACHINE AND WASHING MACHINE

Disclosed in the present invention are a drainage filtration system of a washing machine and a washing machine. The drainage filtration system comprises: a drainage port; a drainage pipe; a drainage pump connected to the drainage pipe and provided with a pump cavity and an impeller located in the pump cavity; a first-stage filtering device arranged at the drainage port and used to filter out hard foreign matter; and a second-stage filtering device arranged between the drainage port and the pump cavity and used to filter out flexible foreign matter. The first-stage filtering device is provided to filter the hard foreign matter, and the hard foreign matter, such as coins, paper clips, etc., is filtered out at the drainage port, so that the hard foreign matter is prevented from entering the drainage pipe; the second-stage filtering device is provided to filter the flexible foreign matter, and the flexible foreign matter, such as lint, hair, etc., is filtered out, so that both the hard and flexible foreign matter