A horizontal well packer staged fracturing technology tube pillar comprises an oil string, a hydraulic anchor, a seat sealing controller, a straddle packer A, a straddle packer B, a straddle packer C, a sliding bush sand spraying device, a sand spraying device, a guider, and a capillary tube line; wherein the oil string is installed and connected with the hydraulic anchor, a seat sealing controller, the straddle packer A, the sliding bush sand spraying device, the straddle packer B, the sand spraying device, the straddle packer C and the guider; the capillary tube line is connected with the seat sealing controller, the straddle packer A, the straddle packer B, the straddle packer C at one side of the oil string. In the situation of the immovability of the tube pillar, the tube pillar is characterized by realizing the pressing parting technology of the two to three layer by bowling, high construction safe reliability, strong operability, simple working procedure, simple implementation and the like and is widely applied in the petroleum oil production technology.