Provided is an orally disintegrating tablet containing edoxaban, a pharmacologically acceptable salt thereof, or a solvate thereof. The orally disintegrating tablet contains: (A) edoxaban, a pharmacologically acceptable salt thereof, or a solvate thereof; (B) an organic acid; (C) a water-soluble polymer, the content of which is 0.1-2.0 wt% with respect to the total weight of the tablet; and (D) a disintegrating agent.