A tablet inspecting device which can overcome counting and discrimination errors is provided. A medicine packaging envelope strip is formed by connecting in a strip shape multiple envelopes separated when a user takes tablets, and is imaged, thus counting the tablets. A conveyance passage along which the strip is conveyed in an associated longitudinal direction, conveyance mechanism, and gap forming part forming a gap between adjacent tablets, the conveyance passage including a horizontal passage, a first inclined passage with upward inclination extending from the horizontal passage, and a second inclined passage with downward inclination and an upper end spaced apart from an upper end of the first passage, the gap forming part including a rod body having projecting portions staggered throughout a peripheral surface thereof, being arranged at the space approximately orthogonal to the conveyance direction, and being rotatable about a center axis thereof, are provided.
