This medicine issuing device is a container identifying device for identifying tubular medicine containers (1,2,3) provided with identifying marks (4,5,6) on their external circumference, said medicine issuing device comprising: an operation component (7) that takes the medicine containers (1,2,3) out of a cassette (403); a movement path component (8) that moves the medicine containers (1,2,3) taken out by the operation component (7) to an identification position (9); a container rotation component (10) that rotates the medicine containers (1,2,3) that were moved to a specific identification position by the movement path component (8), around an outer peripheral face; and an identifying mark reader (11) that reads the identifying marks (4,5,6) of the medicine containers (1,2,3) rotated by the container rotation component (10).