An endoscope apparatus 1 includes: an elongated insertion section 7 inserted into an object subject to image-pickup a light source section 3 for emitting laser light a power supply unit 8 for supplying electric power to the light source section 3 an enclosure section 10 disposed in the power supply unit 8 an intermediate section 11 connecting the enclosure section 10 to the insertion section 7 a light guide 5, disposed in the insertion section 7, for guiding the laser light emitted by the light source section 3 and fluorescent substance 6, disposed to the distal end of the insertion section 7, for illuminating illumination light by being excited by the laser light guided through the light guide 5.
