The present invention provides a tablet in which the stability of active ingredients (a potassium ion-competitive acid blocker and acetylsalicylic acid) is high and the pharmacological activities of the active ingredients can be exerted stably and rapidly after the administration of the tablet. The present invention relates to an enteric coated tablet having an inner core and an outer layer, wherein the inner core contains acetylsalicylic acid and the outer layer contains a potassium ion-competitive acid blocker that is not enterically coated.
