To provide an inspection aid that allows inspection work to be executed efficiently in performing an electric inspection of a housing of constituting units including a light source device of an endoscope device.SOLUTION: An inspection aid 200 for aiding an inspection of a light source device 13 includes: a plug 201 connected to a receptacle 11b provided to the light source device； and a rod part 202 provided to the plug, in which a light receiving part 105c is located at a position different from a position F where a light is condensed by an optical lens, on an optical axis O of light emitted from the optical lens 22 that emits light generated inside a housing 11 of the light source device to the outside of the housing.SELECTED DRAWING: Figure 3【課題】内視鏡装置の光源装置を含む構成ユニットの筐体の電気的な点検を行う際に点検作業を効率的に行うことができる点検補助具を提供する。【解決手段】光源装置１３の点検を補助する点検補助具２００であって、光源装置に設けられるレセプタクル１１ｂに接続されるプラグ２０１と、プラグに設けられ光源装置の筐体１１内部で発生した光を筐体外部へ射出する光学レンズ２２から射出される光の光軸Ｏ上であって、且つ光学レンズにより光が集光された位置Ｆとは異なる位置に受光部１０５ｃが位置するロッド部２０２とを備える。【選択図】図３
