Novel valve needle of needle type throttling valve

The utility model relates to a novel valve needle of a needle type throttling valve, which comprises a head part, a connection part and a tail part, wherein an inward concave step-shaped inner hole is formed at the head part; the connection part adopts a split-type structure; a through hole is formed in the center of the connection part; the upper end of the connection part takes the shape of a step and is matched with the inner hole of the head part; the split-type connection part is spliced into a whole and arranged in the inner hole of the head part; a stopper rod is pressed into the through hole in the center of the connection part; the upper end of the connection part and the inner hole of the head part are matched tightly, so that the connection part and the head part are connected into a whole; and the lower end of the connection part is connected with the tail part. In utility model, the connection part and the head part adopt a mechanical connection mode, and the connection is very firm, thereby enhancing the reliability, reducing risk in use, and reducing the manufacturing cost greatly.