Adjustable ophthalmologic operation head position fixator

The invention relates to the technical field of ophthalmologic operations, in particular to an adjustable ophthalmologic operation head position fixator which comprises an installation fixing plate and a pair of clamping plates, the clamping plates are arranged in an arc shape, the tops of the clamping plates are fixedly connected with limiting plates, the limiting plates are arranged in an inclined mode, and the limiting plates are fixedly connected with the clamping plates. Mounting empty grooves are formed in the inner sides of the pair of clamping plates, connecting bandages are arranged in the pair of mounting empty grooves in a penetrating mode, and a limiting cover is fixedly connected between the pair of connecting bandages. The device is reasonable in structure, the two sides of the cheek of a patient are squeezed and limited through the pair of clamping plates respectively, the connecting bandage is manually held to be pulled towards the outside along the mounting empty groove, the limiting cover is