Laundry processing machine

The present invention relates to a laundry processing machine. A laundry processing machine according to the present invention comprises: an outer tub having an opening portion formed in the upper side thereof through which laundry is introduced, and being filled with washing water for washing laundry; an inner tub rotatably disposed inside the outer tub; a pulsator rotatably provided in a lower portion of the inner tub and forming a rotating water stream from the washing water in the lower portion of the inner tub; and a water stream forming protrusion that protrudes inward from the circumferential surface portion of the inner tub and extends upward from the lower end portion of the inner tub.