The utility model discloses a pumped tube needle which comprises an injection needle composed of a needle head, a needle stand and a needle head protective cover. The utility model is characterized in that the end of the needle stand is provided with a pumped tube cap which is a hollow columnar cavity with one closed end; a convex post whose top is higher than the edge of the cavity is arranged in the middle of the cavity; the convex post is inserted into a needle stand hole, and the needle stand is inserted into the hollow cavity. During the use process of the utility model, when pump liquid is used up, an injector is taken off a pump line to open the pumped tube needle, and the injection needle is pressed on the injector to extract the pump liquid. Simultaneously, the pumped tube cap is removed to be connected with the pump line to prevent the pump liquid in the pumped tube from flowing back and to prevent the pump line from being exposed in the air for good aseptic operation. When a patient goes out for an examination, a three-way pipe can be removed temporarily, and the patient can cover two sockets of the three-way pipe with the injection needle of the pumped tube needle and the pumped tube cap. The utility model which has simple production, low cost, simple operation and convenient use is used for only once as well as the injection needle, which can conduct aseptic operation well and conforms to the requirement of hospital infection management.