To prevent a twist of a liquid guide tube due to movement of an animal to be drip infused during drip infusion.

The holder 1 of this drip infusing device for the animal can rotatably connect a transfusion container 2 to a support member. Accordingly, even when the animal moves around during the drip infusion, the container 2 rotates by following to the movement of the animal. Therefore, twists of liquid guide tubes 3, 4 can be prevented.