The unit for feeding lateral flaps of a hygiene absorbent article having: an input conveyor of a first continuous strip； a cutting assembly provided with a receiving drum, of the first suction-pick up heads that hold the lateral flaps and which are mounted to as to be radially movable on the receiving drum, and at least one blade which cyclically cuts the first strip crosswise； a spacer assembly having a pair of spacer drums provided with second suction-pick up heads that receive the lateral flaps of the receiving drum； and an actuator system, which cyclically moves each first suction-pick up head radially between a radial pick-up position and a radial release position, in the area of an output station.
