The utility model provides a construction joint controlling means is including horizontal support, two vertical braces and vaulting pole, there is vertical through -hole on horizontal the support, vertical through -hole is rectangular form, sets up along the horizontal major axis direction that supports, vertical braces's upper end wears to establish in the horizontal through -hole that supports to through the mounting with transversely support adjustable the connection, the vaulting pole has two sets ofly, sets up in two vertical braces's inboard respectively, and every group vaulting pole along vertical interval arrangement, two sets of vaulting pole one -to -ones set up, and just the length sum of two corresponding vaulting poles and two vertical braces's interval suit, the one end of vaulting pole passes through with the vertical braces who corresponds one side that the connecting piece is articulated to be connected, the opposite side of vaulting pole, is connected with the stay cord by proximal end portion position department. The utility model provides a traditional construction side method when keeping somewhere the construction joint, the extremely poor technical problem of concrete finished product quality of the heavy handled and construction joint both sides of the width of construction joint.