The invention relates to a bending device of a flexible component, which comprises a drive unit, a main rotation shaft, a first rotation unit, a second rotation unit, a first clamping arm and a secondclamping arm, wherein the main rotation shaft is connected to the drive unit and is driven to rotate by the drive unit; the first rotation unit and the second rotation unit are respectively connectedwith the main rotation shaft and are driven to rotate by the main rotation shaft, and the rotation direction of the first rotation unit is opposite to the rotation direction of the second rotation unit; and the first clamping arm and the second clamping arm are respectively connected with the first rotation unit and the second rotation unit, are used for clamping the flexible component and rotatein reverse directions on the same circular track at the same angular speed.