A fixing device of a light-emitting body, whose mounting height is suppressed, is provided. Further, a lighting device whose mounting height is suppressed is provided. Further, a lighting device whose mounting height is suppressed and in which fixtures supporting a light-emitting body are hidden from view is provided. Furthermore, a lighting device whose mounting height is suppressed and in which light-emitting bodies can be arranged with no space therebetween and supported is provided. A structure is employed in which a planar light-emitting body whose thickness is suppressed is formed using an organic electroluminescent element, a terminal is provided in each of end portions facing each other in the planar light-emitting body, the terminals are made in contact with contacts provided in fixtures, and the end portions of the light-emitting body are held between the fixtures.