Veterinary vaccine injection device

The veterinary vaccine injection device comprises a bottom plate, baffle structures are fixed to the two sides of the top face of the bottom plate respectively, and the two baffle structures are arranged in parallel. When vaccine injection is carried out on livestock, the livestock can be stably supported from the abdomen, the bottom of the chest and the bottom of the neck of the livestock, at the moment, four feet of the livestock are suspended from the ground, the four feet cannot be used for taking for a walk during vaccine injection, then the telescopic end of a second hydraulic cylinder is controlled to descend, a plurality of n-shaped plates descend slowly, and when the plurality of n-shaped plates descend, the feet of the livestock can be lifted up stably. A binding belt between the two guide rollers tightens and presses the livestock under the action of a second spring, the livestock suspended and supported by the roller is firmly fixed to the roller, the body of the livestock is effectively prevented