A steering device of a vehicle, the steering device comprising: a column housing supported on a vehicle body; a column tube supported to be movable in an axial direction with respect to the column housing and configured to accommodate a steering shaft; and a telescopic mechanism configured to drive the column tube with respect to the column housing in the axial direction, wherein the column tube includes an outer tube configured to accommodate the steering shaft and support the steering shaft to be rotatable around an axis of the steering shaft, and an inner tube accommodated in the outer tube, and the column tube is configured to allow a relative movement of the outer tube with respect to the inner tube in the axial direction when a load equal to or larger than a predetermined value is applied to the steering shaft, and the telescopic mechanism includes a holding member and a driving mechanism connected to the holding member and supported by the column housing to drive the holding member in the axial direction, and the telescopic mechanism is configured to drive the inner tube and the outer tube with respect to the column housing in the axial direction by the driving mechanism, characterised in that the inner tube is configured to hold the outer tube at a predetermined position in a normal state and the holding member is supported by the inner tube. a column housing supported on a vehicle body; a column tube supported to be movable in an axial direction with respect to the column housing and configured to accommodate a steering shaft; and a telescopic mechanism configured to drive the column tube with respect to the column housing in the axial direction, wherein the column tube includes an outer tube configured to accommodate the steering shaft and support the steering shaft to be rotatable around an axis of the steering shaft, and an inner tube accommodated in the outer tube, and the column tube is configured to allow a relative movement of the outer tube with respect to the inner tube in the axial direction when a load equal to or larger than a predetermined value is applied to the steering shaft, and an outer tube configured to accommodate the steering shaft and support the steering shaft to be rotatable around an axis of the steering shaft, and an inner tube accommodated in the outer tube, and the column tube is configured to allow a relative movement of the outer tube with respect to the inner tube in the axial direction when a load equal to or larger than a predetermined value is applied to the steering shaft, and the telescopic mechanism includes a holding member and a driving mechanism connected to the holding member and supported by the column housing to drive the holding member in the axial direction, and the telescopic mechanism is configured to drive the inner tube and the outer tube with respect to the column housing in the axial direction by the driving mechanism, characterised in that the inner tube is configured to hold the outer tube at a predetermined position in a normal state and the holding member is supported by the inner tube. a holding member and a driving mechanism connected to the holding member and supported by the column housing to drive the holding member in the axial direction, and the telescopic mechanism is configured to drive the inner tube and the outer tube with respect to the column housing in the axial direction by the driving mechanism, characterised in that the inner tube is configured to hold the outer tube at a predetermined position in a normal state and the holding member is supported by the inner tube.