The present invention discloses a washing machine and a controlling method therefor. The washing machine includes: a touch display screen (110), at least two mutually independent washing units, and a control module (120) connected with the touch display screen (110) and the at least two washing units, wherein the at least two washing units include a first washing unit (130) and a second washing unit (140); and the touch display screen (110) is split into screens to simultaneously display a control menu of the first washing unit (130) and a control menu of the second washing unit (140). A switching icon is further provided on the touch display screen (110) and is configured to switch interfaces of the two washing units. The touch display screen (110) is configured to adjust and split screen under a control of the control module (120) to simultaneously display operating states of the corresponding washing units. According to the present invention, the interfaces of the two washing units are displayed simultaneo
