A washing machine (1), comprising: a box body (100); and a rotating tub (200) which is rotatably disposed inside the box body (100) and comprises: a tub body (210) and a drainage channel (221). The drainage channel (221) is disposed inside the peripheral wall of the tub body (210), and liquid coming from the tub body (210) during spinning is drained out of the tub body (210) through the drainage channel (221). The washing machine further comprises an impeller (300); the impeller (300) is rotatably disposed inside the tub body (210).
