Safe infusion connecting pipe for intravenous injection

The utility model discloses a safe intravenous injection transfusion connecting tube which comprises a transfusion connecting tube body, one end of the transfusion connecting tube body is communicatedwith and fixed with a contact pin, one side of the transfusion connecting tube body is fixedly provided with an elastic pull rope, one end of the elastic pull rope is fixedly provided with a needle cap, and the other end of the elastic pull rope is fixedly provided with a needle cap. A fixing box with an opening in one side is arranged on one side of the infusion connecting pipe body, fixing blocks are fixedly mounted at the top and the bottom of one side of the fixing box, and arc-shaped grooves with openings in the top and the bottom are formed in one side of each fixing block. The infusionconnecting pipe is simple in structure and convenient to operate, liquid medicine in the infusion connecting pipe body can be conveniently heated in cold weather, the flow speed of the liquid medicine in the infusion connecti