An assembled dual-use balance car, comprises balance car body comprising a first foot board, a second foot board, a first and a second wheel, a first and a second motor respectively, and a balance control system, the balance car body being moved forward, draw back, and turns by tilting the first and second foot board forward and backward, and rotating around each other; a steering assembly comprising a locking part configured to prevent the first and second foot board from being rotating around each other, and a sensor assembly disposed at a bottom end of the steering rod and configured as a steering control of the balance car body, the sensor assembly being electrically connected with the balance control system; the steering assembly can be assembled and disassembled flexibly in the assembled dual-use balance car based on actual using situation.