The utility model discloses an accurate corrugated container board mechanism of punching a hole with adjustable drift, which comprises a frame, the middle part top surface of frame has horizontal recess, the bottom surface middle part of horizontal recess has the spout, bar piece plug bush is in horizontal recess, the bottom surface of bar piece has protruding slider, protruding slider plug bush is in the spout, door shaped frame fixes on the bar piece, the shrinkage pool has on the top surface middle part of bar piece, the shrinkage pool corresponds from top to bottom with the drift, the middle part left and right sides limit of frame is fixed with the backup pad, be fixed with the side -to -side adjustment cylinder in the backup pad, the push rod of side -to -side adjustment cylinder is fixed on door shaped frame's left side wall or right side wall, the upper portion on the left and right sides limit of the top surface of frame and lower part all are fixed with accommodate motor and two relative regulation backup pads, and the both ends of rotating the screw rod articulate on two are adjusted the backup pad, and the upper and lower both ends of side regulating plate are fixed with the connecting block, its simple structure, and its is efficient, and the positioning accuracy degree is high, and the security is good.