When burn wounds are covered by the CHIMEHERB artificial skin, there is a fluid-surface junction between the skin and the wound in the first place. With the decrease of the wound exu-date, there appears a gel-like fibronection which makes the artificial skin firmly attach to the wounds. The fibronectin under the artificial skin gathers various enzymes which not only purifies the internal environment, but also supplies nutrition to the epithelial cells for their growth and proliferation. It is confirmed by t...