A medicine inspection device includes: an inspection unit on which a medicine for inspection is disposed, the medicine being contained in a sachet; an imaging unit capable of photographing the sachet disposed on the inspection unit; and a medicine information detector capable of detecting at least either of a quantity or type of the medicine based on an image obtained by the imaging unit. The inspection unit includes a backlight with illumination areas located dottedly per predetermined pitch which is capable of illuminating the sachet from backside when photographing. The medicine information detector is further configured to implement: a basic image acquisition process for acquiring a basic image; an inspection area defining process for defining the area of inspection; an inspection image acquisition process for acquiring the inspection image; and an image inspection process for performing image inspection.