Auxiliary fixing device for CT (Computed Tomography) diagnosis of large animals

The utility model provides an auxiliary fixing device for CT (Computed Tomography) diagnosis of large animals, which comprises a main frame body and a forelimb frame, the side wall of the forelimb frame is provided with an inserting hole, the side wall of the main frame body is fixedly connected with an adjusting column, the forelimb frame is slidably inserted on the adjusting column through the inserting hole, and the forelimb frame is fixedly connected with the main frame body. At least one positioning hole is formed in the adjusting column, limiting holes are formed in the two opposite side walls of the front limb frame respectively, limiting pins are inserted into the limiting holes, and the limiting pins are clamped with the positioning holes in the limiting holes; a pre-fixing device is arranged at the top of the main frame body; a forelimb fixing structure is arranged at the top of the forelimb frame; the auxiliary fixing device for CT diagnosis of the large animal can be adjusted according to the body