Abstract: The present invention provides an endoscope comprising an elongated insert portion having flexibility, the insert portion being inserted into a space targeted for inspection, a connector portion linked with a proximal end side of the insert portion and having a unit which controls flexible bending and image acquisition of the insert portion mounted thereon, an apparatus main body which controls the connector portion, and an endoscope housing case which houses the insert portion and connector portion and the apparatus main body therein, the endoscope apparatus having an insert portion housing member in which the endoscope main body having the connector portion and apparatus main body assembled with each other is attachable to/detachable from the endoscope housing case, and which is attachable to/detachable from the endoscope main body while the insert portion is held.