There is provided a tablet filling device, which can smoothly supply vials without any stop of the device even if the vials cause a jam within a stocker. The tablet filling device is related to removing a vial 9 from a stocker 21 accommodating a large number of vials 9 according to a prescription data, dispensing tablets into the vial 9 to fill the vial, and discharging the vial 9 filled with the tablets. The stocker 21 includes: a vial removing device 24 configured to scoop the vial 9 accommodated in the stocker 21 upward to remove the vial and a vial conveying device 23 configured to convey the vial 9 toward the vial removing device 24. When a jam of the vial 9 occurs, the vial conveying device 23 is reversely driven.