Needle syringe for veterinarian

The invention relates to livestock breeding equipment, and effectively solves the problems that in the prior art, when animals are injected, animal pains are easily caused, so that needles are frequently pulled out, and needle heads are bent or broken in the bodies of the animals. According to the technical scheme, the needle syringe for the veterinarian comprises a sleeve, the sleeve is horizontally arranged, a circular ring is arranged on the left end face of the sleeve, a disc is installed on the circular ring, an annular groove is formed in the outer edge face of the disc, a cylinder is fixed to the inner side face of the disc, a fixing disc is arranged in a cavity of the cylinder, and a needle head is fixed to the left end of the fixing disc. A rubber pipe is fixed to the right end of the fixing disc and sleeved with a tension spring. The needle head drives the disc to move, the displacement amount of the disc is small, the position of the needle tip in an animal body cannot be changed, meanwhile, the ne