The invention provides a markable continuous
veterinary drug injector. The
injector comprises an injection tube, a
piston rod and a
handle, wherein the
handle is used for pushing and pulling the
piston rod to
telescope in the injection tube; the
handle comprises a front handle and a rear handle hinged to each other through a rotating pin, the end, away from the rotating pin, of the front handle isconnected to the injection tube, the end, away from the rotating pin, of the rear handle is connected to the end, protruding out from the injection tube, of the
piston rod, a first marking
assembly is arranged on the handle, the marking
assembly comprises a marking pen, a marking pen clamping part and a marking pen fixing part, the marking pen clamping part comprises a sleeve
pipe and two connecting pieces, the connecting pieces are arranged in parallel and symmetrically arranged on the outer side wall of the sleeve
pipe, and the ends, away from the sleeve
pipe, of the connecting pieces are connected to the rotating pin through the marking pen fixing part. According to the markable continuous
veterinary drug injector, the marking pen can be perfectly combined with the handle, and the presence of the marking pen does not hinder an operator from pushing and pulling the handle to make the
piston rod repeatedly move in the injection tube, and injection and marking are achieved simultaneously.