A bread slice delivery device for an automatic sandwich packaging machine. The device consists of a base plate (1), a bread receptacle base (2), a bread receptacle (3), three ball screw-type linear slide platforms, three L-shaped brackets, a rectangular push plate, two flat carrier plates, one photoelectric switch, and six proximity switches. The bread slice delivery device for an automatic sandwich packaging machine ensures that bread slices land on point accurately and that sandwich layers do not become misaligned during the delivery process; moreover, the bread storage receptacle can be swapped out easily.