Prone position head fixing device

The utility model discloses a prone position head fixing device. The prone position head fixing device comprises a base plate; the bearing unit comprises a translation driving part, a connecting support and a movable support pillow, the translation driving part is connected to the top side of the base plate, the translation driving part is in driving connection with the connecting support, the translation driving part can drive the connecting support to reciprocate in the horizontal linear direction, the movable support pillow is arranged on the connecting support, and the movable support pillow is arranged on the connecting support. The number of the bearing units is multiple, and a bearing area is defined by the movable supporting pillows in the at least three bearing units, the positions of the movable supporting pillows can be flexibly adjusted, the movable supporting pillows can adapt to the sizes of the heads of different patients, the use experience of the patients is improved, and normal operation of