Novel adjustable dog restraint frame

The invention provides a novel adjustable dog restraint frame, belongs to the technical field of veterinarians, and solves the technical problems that an existing dog restraint frame cannot adapt to dogs of different sizes, and the restraint state cannot be adjusted according to requirements. The novel adjustable dog restraint frame comprises a flat lying plate and a standing plate, the flat lying plate and the standing plate are connected through a hinge, two longitudinal sliding rails are arranged on the standing plate in parallel, a first transverse sliding rail, a second transverse sliding rail and a third transverse sliding rail are arranged on the longitudinal sliding rails in a sliding mode, and a hind limb fixing assembly is arranged on the first transverse sliding rail. A forelimb fixing assembly is arranged on the second transverse sliding rail, and a head fixing assembly is arranged on the third transverse sliding rail. The dog fixing device has the advantages that dogs of different sizes can be fi