Pill particle counter

The invention relates to a pill particle counter. The device comprises a bottle cap body, wherein the bottle cap body comprises a connecting part; a first separation piece, a counting box and a secondseparation piece sequentially penetrate through the a connecting part; the first separation piece, the counting box and the second separation piece are rotated in a staggered manner two by two; the thickness of the counting box is 3mm to 6mm; the counting box is equally divided into a first region, a second region and a third region; one medicine taking hole is opened in the first region; two medicine taking holes are opened in the second region; three medicine taking holes are opened in the third region; the diameter of each medicine taking hole is 5mm to 15mm; and notches matched with the counting box are opened in the first separation piece and the second separation piece. The counting box, the first separation piece and the second separation piece are matched to use so that tablets with a required quantity ca