The utility model discloses a multistage layered water injection tubular column. The utility model relates to the field of oil production engineering, in particular to a multi-stage packer, which comprises various stages of water distributors connected through oil pipes, the oil pipe between two adjacent stages of water distributors is connected with a packer, each stage of packer is a lifting deblocking type packer, and the deblocking stroke of the next stage of packer in the two adjacent stages of packers is larger than that of the previous stage of packer. According to the multistage layered water injection tubular column, the packers with different deblocking strokes are arranged, when the layered water injection tubular column is lifted up for deblocking, the lifting force of the central tube of each packer is not transmitted, the deblocking force of the multistage packers is not superposed and is basically equal to the single-stage deblocking force, and the purpose of low-load deblocking of the multistage layered water injection tubular column step by step is achieved.