Push-and-pull casement door window

The invention relates to a push-and-pull casement door window which comprises an outer door window frame arranged on a wall body, wherein the upper and the lower borders of the outer door window frame are respectively provided with a fixed track group, and each fixed track group comprises a fixed track at the inner side and a fixed track at the outer side; each fixed track is provided with a movable track capable of moving along the direction of the track; a door window sash is arranged between an upper movable track and a lower movable track which correspond to the inner side or the outer side and is rotatably connected with the movable tracks through a rotating and supporting component; a rotating and limiting component used for locking the door window sash and preventing the door window sash from outwards or inwards opening when the door window is switched into a push-and-pull mode is also arranged between the door window sash and the movable tracks; and the rotating and supporting component and the rotati