This invention discloses a bracket for correcting dentognathic deformity including a substrate plate, a bracket body, and two working wings. The bracket body has an arch wire groove, and the two working wings are located at two sides of the arch wire groove. Each of the working wings has a ligature wire locating groove, groove bottom central lines of the ligature wire locating grooves are located on a same straight line. The bracket body has a ligature hole vertical to the arch wire groove and penetrating through the bracket body, and a vertical distance from a bottom surface of the arch wire groove to an upper surface of the substrate plate is larger than a height of the ligature hole. The bracket further has a C-shaped movable lock accessory. The placement and removement of the movable lock is convenient, greatly reducing the operation time.
