The invention discloses a machine tool column boring and milling plane clamp, and belongs to the machine tool clamp design technical field; the machine tool column boring and milling plane clamp comprises a clamp body, a support block, a hexagon bolt, a press bar, a T-shape block, an inner hexagonal screw, a feeler block, a T-shape bolt, a drill bit, a facing cutter, a guide sleeve, a limit screw rod, a connecting support seat, a work table, a limit block and a main shaft box; the clamp body is fixed on the work table; the support block is fixed on the clamp body; the left side of the support block is provided with the press bar; the top surface of the clamp body is provided with a feeler block; the connecting support seat is arranged on the left side of the work table; the main shaft box is fixed on the connecting support seat; the drill bit is clamped in a chuck on the right side of the main shaft box; the drill bit is sleeved by the guide sleeve; the guide sleeve is fixed on the drill bit by a screw; the facing cutter is arranged on the right side of the guide sleeve. The machine tool column boring and milling plane clamp is convenient in workpiece installation, cutter tool setting is accurate in positioning, processing feed amount is convenient in control, and processing scope is wide.