The utility model relates to a structure node especially relates to a be used for reinforced (rfd) structure node of bolt ball net rack rod piece, belongs to the steel construction field. Including former component, the both sides end of former component be equipped with bolt ball respectively, the outer wall cover of former component have outer wrapping steel pipe, former component and outer wrapping steel pipe between be equipped with the outsourcing bushing pipe that is continuous interval form and distributes, outer wrapping steel pipe be equipped with a plurality of staple bolts outward, bolt ball's the infusion set of the centre of a circle and former component be same water flat line and distribute. A be used for reinforced (rfd) structure node of bolt ball net rack rod piece compact structure, improves the security.