The utility model relates to an annular reinforcing bar forming die with adjustable, the center department of chassis upper end is provided with the connecting hole of being connected with center pillar, and the chassis upper end uses central locating outwards to become radial and evenly be provided with six bar at least spouts as the centre of a circle, and the both sides of spout are provided with equidistant scale groove, and the chassis lower extreme is provided with four spliced eyes of being connected with present angle bending machine be convenient for, center pillar is connected with the chassis, the coiling roller is enclosed by at least six secter pats that the structure is the same and closes the cylindrical structure that forms, the bottom of secter pat middle part be provided with with spout cooperation and gliding bellied slide rail, the lateral surface lower part of secter pat is dug and is equipped with the platform that sinks that is used for installing stop mechanism, and the lateral surface middle part of secter pat is provided with the screw hole of certain degree of depth, and all secter pats are installed on the chassis. The utility model discloses steel reinforcement cage after the shaping is close circular, and the shaping is effectual, has improved engineering requirements for quality.