A folding scooter comprises a sliding board, a vertical handlebar tube, a folding seat, a folding joint, a hinge shaft, a spring and a folding bolt. The folding seat is connected with the sliding board, or the folding seat and the sliding board are integrally formed. The vertical handlebar tube is connected with the folding joint. The folding seat is provided with a swing groove, an outer hinge hole, a vertical groove and a folding groove and the folding joint is provided with an inner hinge hole and a guide hole. The folding joint is located in the swing groove and hinged to the folding seat through the hinge shaft. The folding bolt and the guide hole are in movable fit connection and the spring is connected with the folding bolt and the folding joint. In the use process of the folding scooter, the vertical handlebar tube and the folding joint are connected, the folding bolt is inserted in the vertical groove or the folding groove of the folding seat through the elastic force of the spring, the folding joint is reliably located in the erecting and folding processes, and therefore the switch between the vertical state and the folding state of the vertical handlebar tube is implemented. The folding scooter is simple in structure and convenient to use.