The present invention relates to a telescopic rod, a steering device and an electric luggage box. The telescopic rod comprises a hollow first tube, a second tube sleeved outside the first tube and being slidable relatively to the first tube, a positioning mechanism configured to lock and unlock the first tube in position relative to the second tube, and a control member configured to control the positioning mechanism to lock and unlock in position, wherein the positioning mechanism comprises a pushrod connected to the control member and movable in the first rube, an abutment unit provided at a bottom end of the pushrod, and a positioning unit adapted for being abutted by the abutment unit for locking and unlocking in position; the first tube has a limiting structure provided therein, for limiting a space for movement of the abutment unit. The steering device comprises a handle and the afore-mentioned telescopic rod connected to the handle. The electric luggage box comprises a ridable box body, a front wheel and a rear wheel mounted on the box body, and the afore-mentioned steering device for steering the front wheel.