The purpose of the present invention is to provide a disintegrable tablet that contains an active ingredient in a large volume and yet shows excellent disintegrability. The aforesaid purpose can be achieved by providing a disintegrable tablet comprising an active ingredient and pullulan, wherein : the content of the active ingredient is 65 wt% or more relative to the disintegrable tablet; the content of pullulan is 1 wt% or more relative to the disintegrable tablet; the volume of the disintegrable tablet is 0.3 cm3 or more; and the porosity of the disintegrable tablet is 20-80%.