Ventilation device capable of adjusting door and window

The utility model discloses an adjustable door and window ventilation device which comprises a door body, rubber door frames are fixedly installed on one side of the door body, the rubber door frames are symmetrically installed on the two sides of the door body, door handles are fixedly installed on the outer wall of the door body, the door handles are symmetrical to the outer wall of the door body, shutters are fixedly installed on the outer wall of the door body, and the shutters are fixedly installed on the outer wall of the door body. The shutter penetrates through the outer walls of the door bodies and extends to the other side, protective sleeves are fixedly installed on the outer walls of the door bodies and symmetrically installed on the outer walls of the two door bodies, the shutter is frequently opened indoors for ventilation, sunlight and ultraviolet rays in the air can be effectively utilized to kill germs, harmful gas in the indoor air can be effectively removed, and the indoor environment is pr