Preparation of orally disintegrating solid preparation

And fine containing pharmaceutical ingredients, by mixing the additive containing the δ type mannitol, orodispersible solid produced thereby preparation of orally disintegrating solid preparation which is characterized and to be tableted It provides a formulation. The orally disintegrating solid preparation has at packaging by the transport and during automatic packing machines, or be subjected to stress, such as during removal from the PTP, intensity and occurrence of defect can be suppressed (hardness).