To provide a tablet cassette capable of reducing a load applied to an operator.SOLUTION: A tablet cassette 1 comprises: a cassette body 10 for storing many tablets T; and a rotor 20 provided in the cassette body 10. The rotor 20 comprises: a rotor body 21 capable of rotating around a first rotary axis C1; and an inner blade 60 fitted to the rotor body 21. The cassette body 10 comprises a tablet outlet 14 from which the tablets T are discharged. The rotor body 21 comprises a guide groove 22 which is provided on a peripheral face of the rotor body 21, stores the tablets T and guides the tablets T to the tablet outlet 14. The inner blade 60 is configured to protrude to the guide groove 22 of the rotor body 21 on an upstream side in a rotary-direction of the rotor body 21 relative to the...