The present invention provides a tablet showing high stability of the active ingredients (potassium-competitive acid blocker and acetylsalicylic acid) and stably and rapidly expressing the pharmacological effects of the active ingredients after administration.The present invention provides a tablet containing an inner core and an outer layer, wherein the inner core is an enteric-coated tablet containing acetylsalicylic acid, and the outer layer contains a potassium-competitive acid blocker free of enteric coating.
