The invention belongs to the technical field of medical instruments, and particularly relates to a cerebral angiography head fixing device, which comprises a bed body, supporting legs are fixedly connected to the bottom face of the bed body, universal wheels are fixedly connected to the supporting legs, a fixing structure is arranged on the bed body, the fixing structure is connected with an adjusting structure, and the adjusting structure is located below the bed body. The adjusting structure comprises a fixing frame fixedly connected with the bottom surface of the bed body, a front-back adjusting mechanism is connected to the fixing frame, a lifting adjusting structure is connected to the front-back adjusting mechanism, a left-right adjusting mechanism is connected to the lifting adjusting mechanism, an angle adjusting mechanism is connected to the left-right adjusting mechanism, and the fixing structure is connected with the angle adjusting mechanism; the fixing structure comprisesa fixing plate, the left side and the right side of the top of the fixing plate are each connected with a fixing mechanism in a sliding mode, the fixing mechanisms are matched with each other, and theproblem that in the prior art, the cerebral angiography head fixing device cannot adjust the position of the head of a patient is effectively solved.