Medical needle-threading device

The utility model relates to an operation needle threading device for medical operation. The utility model is characterized in that the threading device is composed of a needle carrying seat which is formed together by fixed bases and a crochet hook swinging arm which is installed on one side of the needle carrying seat, wherein, one end of the crochet hook swinging arm is reelingly matched with a vertical pin shaft with is vertically fixed on the base, the other end of the crochet hook swinging arm is provided with a crochet hook on one side facing the needle carrying seat, and the needle carrying seat is provided with a needle carrying mechanism on one end corresponding to the crochet hook. The utility model can fast and accurately penetrate operation threads in an operation needle hole and can be conveniently and simply used.