The utility model provides a scaffold frame of fitment usefulness, which comprises a column, the bottom of stand is equipped with the base, the lower surface at first workstation is established on the top of stand, the lower extreme left side of stand is equipped with the connecting rod, the lower extreme of staff joint support pole is passed through to the one end that the stand was kept away from to the connecting rod, the upper end of bracing piece is equipped with the bar through -hole, the both ends of controlling that first workstation is inside are equipped with the draw -in groove respectively, draw -in groove and second workstation activity joint, the one end side that first workstation was kept away from to the second workstation is equipped with the pillar, the pillar is connected through bar through -hole and bracing piece. This scaffold frame of fitment usefulness can increase and the ground friction, prevents that the scaffold frame from sliding, improves the security, whole device simple structure, first workstation and the cooperation of second workstation, convenient to use, the mobile scaffold that need not make a round trip, the friction on increase and ground simultaneously prevents that the scaffold frame from sliding, has improved the security.