An endoscope attachment of the present invention includes a light-shielding member disposed in a distal direction from a distal end of an endoscope insertion portion of an endoscope and shields a part of light emitted from a light source of the endoscope at a position separated from the light source； and a support portion connected to the endoscope insertion portion and being capable of holding the light-shielding member at a position distant from the distal end of the endoscope insertion portion.
