The invention discloses a children two-wheeled vertical scooter which comprises a handlebar, a reducing sleeve, a scooter beam, a pedals, a front wheel, a back shaft and a back wheel, wherein the handlebar is composed of a vertical rod, a transverse rod, a front rotating piece, a cylinder plug and a front shaft; an omega shape of the vertical rod is connected with the transverse rod; the front rotating piece and the front shaft are connected to the vertical rod; the scooter beam is composed of a beam pipe, a back rotating piece, two connecting straps, a cylinder plug and the back shaft; the back rotating piece is connected to the front side of the beam pipe; the back shaft is connected to the back end of the beam pipe; the back rotating piece and the front rotating piece are rotationally connected backwardly; the upper side face of the beam pipe is linked with the two connecting straps; the pedals is are connected with the two connecting straps; the front wheel is connected is sleeved onwith the front shaft of the handlebar in a sleeving manner; the back wheel is sleeved onconnected with the back shaft of the scooter beam in the sleeving manner.