Abstract: The present invention discloses a vacuum plate and a method for manufacturing it. The vacuum plate comprises at least two layers of plate, a plurality of support structures with different heights, and an organic film. The plates in adjacent layers are separated by a plurality of the support structures with different heights, peripheries of the at least two layers of plate are connected and sealed via a sealing mixture; and the peripheries of the at least two layers of plate and the outside of the sealing mixture are covered with the organic film.