The present invention provides an orally disintegrable tablet in which the stability of the active ingredient (acetylsalicylic acid and PPI) is high, and the pharmacological effect of the active ingredient is stable and rapid after being applied. The present invention relates to a multi-unit orally disintegrable tablet comprising enteric fine particles containing an acetylsalicylic acid, enteric fine particles containing a proton pump inhibiting drug, and an additive, wherein an enteric covering layer of the enteric fine particle containing an acetylsalicylic acid comprises an aqueous enteric polymer base agent and a slow-released base agent.本發明係提供一種口腔內崩解錠，其活性成分(乙醯柳酸及PPI)之安定性高，投予後活性成分之藥理效果安定且迅速顯現。本發明係關於一種多單元型口腔內崩解錠，其含有含乙醯柳酸之腸溶性細粒、含質子泵抑制劑之腸溶性細粒及添加劑，且含乙醯柳酸之腸溶性細粒中之腸溶性被覆層含有水系腸溶性高分子基劑及緩釋性基劑。
