To provide a tablet input device capable of smoothly moving tablets into a container without clogging of the tablets.

The tablet input device (10) for input of tablets into the container (20) includes: a guide member (11) including a shaft (11a) extending in the gravity direction and a guide (11b) which is formed spirally along the shaft and forms a moving path of the tablets; and a cylindrical case (12) which contains the guide member and extends in the gravity direction. The case includes a plurality of openings (12a-12d) formed side by side in the gravity direction. A wall located between two openings adjoining in the gravity direction of the case is formed along the guide. Each of the plurality of openings is provided to a position having the guide member therebetween.