This is a folding multi-layer electric steamer. Each folding frame is a layer. The supports can be stacked arbitrarily after being unfolded and fixed to increase space. The outer cover is foldable, extended and fixed with new high temperature resistant materials. To achieve the effect of complete sealing, the entire steamer can be used according to the capacity, increase the bracket compartment, adjust the height, and completely sealed. When not in use, it can be folded away, saving space, convenient and practical.