The baby fell off a piece of skin on the face, if only to the surface of the skin generally will not leave a scar, if the injury to the deeper layers of the skin, may leave a certain amount of scarring. 1. Will not leave scars: if the wound is superficial, just hurt the surface of the skin, can be fully recovered, and will not leave a scar. 2. May leave scars: if the wound is deeper, hurt to the dermis of the skin, can not completely by itself normal skin structure but scar healing; in addition, if the baby is keloid, even superficial wounds, may leave obvious proliferative scarring. The baby fell off a piece of skin on the face, should promptly consult a doctor, under the guidance of specialists to correctly deal with, minimize the generation of scarring.