Disclosed is a disintegrating particle composition having a novel composition having an optimal balance between tablet hardness and disintegrating properties, which are contradictory properties, and a disintegrating tablet for pharmaceuticals and various foods containing the composition. To do. Disintegrating particle compositions containing pulverized lactose and / or granulated lactose as excipients, and food or pharmaceutical disintegrating tablets containing the disintegrating particle composition, particularly having a hardness of 20 to 200. (N) and the disintegrating tablet for food or medicine, wherein the disintegration time in water is 1 to 60 (seconds).【課題】互いに反する性質である錠剤硬度と崩壊性との最適なバランスを有する、新規な組成を有する崩壊性粒子組成物、及び該組成物を含む医薬用及び各種食品用の崩壊錠剤等を提供すること。【解決手段】賦形剤として、粉砕乳糖及び/又は造粒乳糖を含む崩壊性粒子組成物、及び、該崩壊性粒子組成物を含む食品用または医薬用崩壊錠剤、特に、硬度が20~200(N)、及び、水中崩壊時間が1~60(秒)である、該食品用または医薬用崩壊錠剤。