Connecting structure for sliding door and window and door and window

The utility model discloses a connecting structure for a sliding door and window and the door and window. The connecting structure comprises a connecting piece, a fixed frame and a sliding structure which are sequentially arranged from the side close to a door and window sash to the side away from the door and window sash. A sliding block is connected into the fixing frame in a sliding mode, the sliding block is fixedly connected with the connecting piece, and a guide groove is formed in the sliding block. The sliding structure comprises a mounting frame slidably connected in the fixed frame, and a guide column slidably connected with the guide groove in the sliding block is arranged in the middle of the side, close to the fixed frame, of the mounting frame; according to the connecting structure, the guide columns are matched with the guide grooves, door and window sash rail transfer is achieved, the guide columns are arranged on the sliding structure, it is guaranteed that the center cannot deviate in the ra