A tablet packaging device , comprising: a tablet accommodating portion configured to store a plurality of kinds of tablets and dispense a tablet based on prescription information; and a packaging portion configured to dispense the tablets, which are dispensed from the tablet accommodating portion , through a dispensing port and distribute and accommodate the tablets to a tray having a plurality of accommodation recess portions , characterised in that the packaging portion includes: a tray loading unit to which the tray is mountable; a tray unloading unit , which is arranged adjacent to the tray loading unit , and to which the tray accommodating the tablets is mountable; a tray driving unit , which is configured to removably support the tray , move the supported tray between positions of the tray loading unit and the tray unloading unit , and move the desired accommodation recess portion of the tray to the dispensing port for tablets; a tray attaching unit configured to attach the tray from the tray loading unit to the tray driving unit ; and a tray detaching unit configured to detach the tray accommodating the tablets from the tray driving unit and place the tray on the tray unloading unit . a tablet accommodating portion configured to store a plurality of kinds of tablets and dispense a tablet based on prescription information; and a packaging portion configured to dispense the tablets, which are dispensed from the tablet accommodating portion , through a dispensing port and distribute and accommodate the tablets to a tray having a plurality of accommodation recess portions , characterised in that the packaging portion includes: a tray loading unit to which the tray is mountable; a tray unloading unit , which is arranged adjacent to the tray loading unit , and to which the tray accommodating the tablets is mountable; a tray driving unit , which is configured to removably support the tray , move the supported tray between positions of the tray loading unit and the tray unloading unit , and move the desired accommodation recess portion of the tray to the dispensing port for tablets; a tray attaching unit configured to attach the tray from the tray loading unit to the tray driving unit ; and a tray detaching unit configured to detach the tray accommodating the tablets from the tray driving unit and place the tray on the tray unloading unit . characterised in that the packaging portion includes: a tray loading unit to which the tray is mountable; a tray unloading unit , which is arranged adjacent to the tray loading unit , and to which the tray accommodating the tablets is mountable; a tray driving unit , which is configured to removably support the tray , move the supported tray between positions of the tray loading unit and the tray unloading unit , and move the desired accommodation recess portion of the tray to the dispensing port for tablets; a tray attaching unit configured to attach the tray from the tray loading unit to the tray driving unit ; and a tray detaching unit configured to detach the tray accommodating the tablets from the tray driving unit and place the tray on the tray unloading unit . a tray loading unit to which the tray is mountable; a tray unloading unit , which is arranged adjacent to the tray loading unit , and to which the tray accommodating the tablets is mountable; a tray driving unit , which is configured to removably support the tray , move the supported tray between positions of the tray loading unit and the tray unloading unit , and move the desired accommodation recess portion of the tray to the dispensing port for tablets; a tray attaching unit configured to attach the tray from the tray loading unit to the tray driving unit ; and a tray detaching unit configured to detach the tray accommodating the tablets from the tray driving unit and place the tray on the tray unloading unit . <EOS>