In the current various disabilities, large area deep burns left behind after the disability is more tricky, but also the most painful, first of all, because of large area burns after the body surface most of the normal skin into a scar so sweating function is obviously limited, the remaining little skin accelerated sweating function, bean grain sweat beads keep sweating outward can not be fully compensated for. Therefore, in the hot summer, after the burn patient is very painful, in addition to the wound healing scars of different shades of dryness and discomfort, or hyperplasia contracture, scar thick and hard, itchy and painful, if the lower limbs stand due to blood stagnation is a stabbing pain through the heart, only to keep jumping to be able to barely stand, is the general public unimaginable pain. After the burn deformity about the lack of organs, the ugly appearance of the functional limitations on the psychological and mental pain and destruction is even more difficult to write. In the past, the burn patient wound healing even after the completion of the treatment, the above post-burn deformity, function and appearance of the recovery due to the lack of skin source, and thus the treatment is greatly restricted, since the skin expansion surgery applied to clinical post-burn deformity repair and success, many large area deep burns of the patient has more means of treatment. Skin expansion repair of post-burn deformity of the advantage of the effect of the first performance in overcoming the lack of post-burn skin source, expansion can make full use of unburned skin source or superficial burns have been healed skin to double the expansion of this fight for the “extra” skin can be used to repair the deformity, in the past, due to the lack of skin source of the legacy of the deformity can not continue to treat, can only be used to repair the deformity of a large area of deep burns. In the past, due to the lack of skin source left behind deformity can not continue to treat, can only “endure” the pain and now tapped out of the skin source, can be transplanted or flap flap repair so that the patient can continue to get treatment after the burns left behind deformity, to obtain function and appearance of further improvement. Therefore, skin expansion surgery for post-burn deformity has brought the gospel.