Dimmable glass door and window

The utility model relates to the technical field of doors and windows for buildings, and discloses a light-adjustable glass door and window which comprises a frame, inner glass and outer glass, the inner glass and the outer glass are both embedded in the inner side of the frame, and a division bar is arranged between the inner glass and the outer glass. A driven reel and a driving reel are arranged in the upper side edge and the lower side edge of the frame respectively, and a hollowed-out cloth-shaped shading object is installed on the driven reel. The rotating drum is installed on the outer side of the fixing shaft and can rotate smoothly, one end of the cloth-shaped shading object is fixedly connected to the rotating drum, and the other end of the cloth-shaped shading object is connected to the driving reel through a soft rope; a volute spiral spring for resetting is arranged between the fixed shaft and the rotary drum; a motor used for providing power for the driving reel is arranged at the shaft end of t