An X-ray fluoroscopic imaging apparatus reduces the number of memory switches and performs an auto-positioning for a larger number of rotation positions. The apparatus includes a C-arm 9 supporting the X-ray tube 5 and the X-ray detector 7 face to be rotatable around two axes orthogonal to each other. A rotation position memory storage element 61 stores the rotation position information of the C-arm 9 in correspondence with any of memory switches 55; and a touch panel 43 displays the rotation position information stored in correspondence with selected memory switches 55. The rotation position memory storage element 61 stores a plurality of rotation position information corresponding to the respective memory switches 55, and the touch panel 43 displays any of the plurality of rotation position information stored in correspondence with the memory switches 55 in a predetermined display manner.