A cover 30 of an endoscope 1, which is attached to a distal end member 20 provided with a raising base 40 of an endoscope insertion portion 2, includes a peripheral edge portion 32b configured to form an opening 31 that externally exposes a raising base housing space 24 in which the raising base 40 is housed, in the distal end member 20 a planned-to-be-torn-apart section 35 including a tear starting point 36 disposed on the peripheral edge portion 32b, and a first thin portion 37 that is connected to a to-be-torn-apart section of the peripheral edge portion 32b torn from the tear starting point 36, on an inside surface of a surface facing the opening 31 and an engagement protruding portion 39 configured to be engaged with an outside surface of the distal end member 20 by engaging in a direction intersecting the outside surface.