The utility model discloses a trade wire stitcher valve post, including the cylinder, leakage discharge hole has been seted up at the cylinder middle part, the axial setting of leakage discharge holeperpendicular to cylinder, the front end fixedly connected with bolt of cylinder, the cover is equipped with the nut on the bolt, and the rear end of cylinder is connected with drive arrangement, through setting up on trading the wire stitcher the utility model discloses a trade wire stitcher valve post can rely on the drive arrangement drive column body to go forward, makes leakage discharge holeexpose the cylinder body outside, realizes the bleed to the cooperation of accessible bolt and nut according to the production demand of difference, is independently adjusted the leakage discharge hole part and is exposed or expose totally, adjust and expose the size, thereby self -bleeding is carried out to control bleed speed, keeps the inside pressure stability of cylinder body, for the product quality who produces improves, provides the guarantee.