PROBLEM TO BE SOLVED: To provide an insertion shape observation system which facilitates an operators observation and allows an operator to intuitively grasp an insertion shape, without hindering a helpers traffic line.SOLUTION: An endoscope insertion shape observation system 3 comprises: a receiver 7 which receives a transmission signal from a transmission signal generator provided at an endoscope insertion part 4b an insertion shape image generator which generates an insertion shape image of an endoscope insertion part inserted into a subject on the basis of the reception signal from the receiver and a display 7 which comprises a display screen 7 for displaying the insertion shape image and is integrally provided with the receiver on the rear side of the display screen.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT