[Problems to be Solved]In a breast image capturing apparatus having a face guard, stabilizing the body posture of a subject by maintaining the position of the face guard at the face position of the subject and improving user-friendliness and durability by a simple arrangement without moving the face guard unnecessarily.[Means for Solving the Problems]Providing a shielding member (21) for preventing radiation from being applied to the face of the subject on an arm section (13), and supporting the shielding member (21) movably relative to the arm section (13) when the face of the subject is abutted to the shielding member (21) and fixedly relative to the arm section (13) when the face of the subject is not abutted to the shielding member (21).