The purpose of the present invention is to provide a new disintegrative particulate composition having an optimal balance between the tablet hardness and disintegrability that are mutually opposing properties, and disintegrating tablets for pharmaceuticals and various kinds of foods comprising said composition.The present invention relates to a disintegrative particulate composition comprising milled lactose and/or granulated lactose as an excipient, and to a disintegrating tablet for pharmaceuticals or foods, comprising the disintegrative particulate composition, especially the tablet having tablet hardness of from 20 to 200 N, and disintegration time in water of from 1 to 60 sec.