The utility model is a column lock with double staggered arrangement which belongs to hard ware, comprising a lock tube, a lock cylinder, a key, blades, and separation blades. Two rows of staggered blade holes are arranged on upper and lower direction of the lock cylinder, the cross section of the key hole which is arranged in the middle of the lock cylinder is shaped like ''1'', ''Z'' and the Chinese characters''gong'' and ''wang''. Because the two row blade holes are staggered arranged, thus the security and the stability can be assured and the repetition rate of the lock can be lowed.