The object of the present invention is to provide a convenient form that can be safely taken by patients, elderly people, children, etc. who have difficulty swallowing, and can be taken easily without water at any place. To provide a disintegrating tablet having excellent tablet hardness and disintegration suitable for disintegrating tablets for various foods such as functional foods and health foods, and a disintegrating particle composition contained in the disintegrating tablet. TECHNICAL FIELD The present invention relates to a disintegrating particle composition containing a disintegrant component and fine fibrous cellulose, and a food-use or pharmaceutical disintegrating tablet having excellent tablet hardness and disintegrating property, including a disintegrating particle composition.本発明の目的は、嚥下が困難な患者、高齢者、小児などが安全に服用でき、また場所を選ばず、水無しでも容易に服用できる利便性の高い形態として、医薬用及び補助食品、栄養機能食品及び健康食品等の各種食品用の崩壊錠剤に適した、優れた錠剤硬度及び崩壊性を有する崩壊錠剤、及び、該崩壊錠剤に含まれる崩壊性粒子組成物等を提供すること。 本発明は、崩壊剤成分及び微小繊維状セルロースを含む崩壊性粒子組成物、及び、崩壊性粒子組成物を含む、優れた錠剤硬度及び崩壊性を有する、食品用または医薬用崩壊錠剤等に関する。