A washing machine washing drum (2) and a washing machine. The washing drum (2) is rotatably mounted within a washing machine housing (1) and is configured as a structure for holding garments and washing water. Provided on the exterior of the washing drum (2) is a drainage channel (5) for draining water downwards. At least the inner wall surface of a side of the drainage channel (5) away from the washing drum (2) is provided at an offset in the direction moving gradually away downwards from the central axis of the washing drum (2). The washing machine comprises the housing (1), the washing drum (2), and a mount plate (4) mounted below the washing drum (2) and used for supporting the washing drum (2), the mount plate (4) being connected to the housing (1) via a damping part. The washing machine obviates an outer drum structure, thus achieving the goal of washing machine volume expansion; on the other hand, with the drainage channel (5) provided on the exterior of the washing drum (2), washing water is guided to
