Temperature-adjustable small medical infusion cooling device

The utility model discloses a temperature-adjustable small medical infusion cooling device which solves the problem that in the prior art, the cooling temperature of an infusion tube is not easy to adjust. The cooling box comprises an upper cooling box body and a lower cooling box body which are detachably connected, a cooling cavity used for containing an infusion tube is formed between the upper cooling box body and the lower cooling box body, and a tube outlet and a tube inlet are formed in the cooling cavity. The whole cooling box is divided into two layers which are symmetrical up and down, the cooling cavity used for containing the infusion tube is formed between the upper cooling box body 1 and the lower cooling box body 2, phase change latent heat of a coolant in the storage and use process is utilized, the cooling length of the infusion tube located in the cooling cavity is adjusted, the liquid outlet temperature of the infusion tube at the temperature of 5-10 DEG C can be adjusted, and the cooling e