A tablet which rapidly disintegrates in the mouth and has appropriate formability to withstand actual usage can be manufactured by means of simple steps and using a simple manufacturing device by using a granulated material for a tablet that rapidly disintegrates in the mouth the material including tannic acid and at least one kind of water soluble polymer. It is preferable that the water soluble polymer is at least one kind selected from the group consisting of povidone hydroxypropyl cellulose pullulan polyvinyl alcohol � polyethyleneglycol � a graft copolymer and copolyvidone.
