This endoscopic device includes: a light source unit for excitation light, which emits excitation light to a subject to which a fluorescent substance having a specific action has been administered a light source unit for reference light, which emits reference light a light source unit for action light, which emits action light for causing a specific action a light source unit for guide light, which emits guide light an imaging unit which generates an imaging signal an excitation light cut filter an information generating unit which generates, from the imaging signal, fluorescence light information, etc., indicating the position of fluorescence light and an image generating unit which generates an observation image reflecting the position where there is fluorescence light and the position where guide light is emitted.