A portable endoscope includes: an operation portion a video display device provided with a display portion and a device body and a suction valve or a gas feeding adapter including a tube connecting portion provided on a fluid pipe sleeve. The body attaching portion of the device body is provided at a predetermined position positionally displaced from a central part of the device body and the tube connecting portion is arranged along a back face of the device body and arranged in a display portion projection range projecting outward from the operation portion left side face viewed from the video display screen side.
