Abstract: An automatic high-speed pill counting apparatus comprising: a cylindrical pill hopper 3 having a pill exit 10 and a center hole in a base plate 2; a rotational separative feeder 5 mounted in the cylindrical pill hopper and removably fitted on a shaft 6 borne in the center hole of the base plate, the feeder including an upper diametrically smaller portion 5b and a lower diametrically larger portion 5c having an external diameter approximate to the internal diameter of the lower portion of the pill hopper, a multiplicity of vertically through holes 5c being formed in the outer circumference of the lower diametrically larger portion and allowed to come into alignment with the pill exit for accommodating a plurality of pills vertically, the multiple vertically through holes 5d being enlarged at their lower portions, a ring-shaped slit 8 being formed in such a position in the outer circumference of the lower diametrically larger portion as to accommodate substantially one pill from the bottom; and a pill separatin