The present invention provides a method of suppressing the bitter taste of a drug when a rapidly disintegrating tablet in an oral cavity is produced.When a rapidly disintegrating tablet in an oral cavity is produced, the bitter taste of a drug is suppressed by utilizing (a) a granule which contains a drug having a bitter taste and an excipient and in which the bitter taste has not been suppressed and (b) a granule containing a water soluble saccharide.
