Infusion apparatus capable of prolonging infusion tube

The utility model discloses an infusion apparatus capable of lengthening an infusion tube, which comprises an infusion tube pipeline, the infusion tube pipeline is connected with an infusion bottle through a large needle head arranged at the upper end, an exhaust pipe is arranged on the left side of the infusion tube pipeline, and the infusion tube pipeline is sequentially provided with a liquid supplementing pipe, a precise speed regulator, a regulator and a filter from top to bottom; the extensible telescopic tube is arranged at the lower end of the infusion tube pipeline. According to the infusion apparatus capable of lengthening the infusion tube, the extensible telescopic tube is additionally arranged at the lower end of the infusion tube pipeline and is of a spiral structure, so that the extensible telescopic tube can be lengthened conveniently, and the length of the infusion apparatus can be shortened when the infusion apparatus is in a contraction state; by additionally arranging the extensible telesc