The purpose of the present invention is to provide: a radiation shielding liquid filter having a radiation shielding effect, a simpler and lighter structure, and various mounting locations so as to protect a surgical patient from exposure to radiation emitted during X-ray imaging using a C-arm, which is a mobile X-ray imaging device, and a stationary X-ray imaging device used during X-ray imaging in a hospital; and an X-ray imaging device provided with the same.