The utility model discloses a fixing clamp capable of positioning, and relates to the technical field of fixing clamps. According to the fixing clamp capable of being positioned, the guide rods, the height fixing screws, the attaching base and the like are arranged, a hand wheel is shaken to drive an adjusting screw to rotate, so that a movable plate moves towards one side of a fixed plate, a workpiece is clamped and fixed through two customized mounting blocks, the multiple height fixing screws are mounted on the two sets of guide rods, and the height fixing screws are connected with connecting holes in a sleeved mode; the height of the height-fixing screw rod is conveniently adjusted, clamping is formed by rotating the two butterfly nuts and the guide rod, and the position of the height-fixing screw rod is fixed, so that the attaching base can position the upper end of a clamped workpiece, adjust the height position of the workpiece during fixing and adjust the height-fixing screw rod in connecting holes in different positions at the same time; and workpieces of different specifications can be conveniently adapted, the workpieces without positioning points and positioning devices can be conveniently fixed and clamped, and the practicability is improved.