Disclosed is to relieve pain due to posture of the subject at the time of X-ray imaging, there is provided a talocalcaneal joints X-ray imaging aids that can improve the reproducibility of the time accurate positioning and re-imaging at the time of shooting. A provided with a bed low base body 1 on the X-ray inspection equipment, and the angle reference plate 3 for determining the talocalcaneal angle and footrest 6 to put the foot on the base body top surface is provided, further this leg cassette stand 4,5 which can insert the film cassette 10 is provided on both left and right sides of the table. Feet to stand behind formed the angle reference plate attachment portion 2 having a groove, the angle reference plate is triangular, preferably a slidable in the lateral grooves as a guide. .BACKGROUND【課題】X線撮影時の被検者の体位による苦痛を緩和し、撮影時の正確な位置決めと再撮影時の再現性を向上できる距踵関節X線撮影補助具を提供する。【解決手段】X線検査装置のベッド上に低いベース本体1が設けられ、このベース本体上面に足部を置く足置台6と距踵角度を決める角度基準板3とが設けられ、更にこの足置台の左右両側にフイルムカセッテ10を挿入出来るカセッテ台4,5が設けられている。足置台後方には溝部を有した角度基準板取付部2が形成され、角度基準板は三角状であり、溝部を案内として左右にスライド可能であるのが好ましい。【選択図】図1