Skin grafting is a medical operation method, which is mainly used for the repair and reconstruction of patients' skin tissue. This process involves removing healthy skin tissue from a site and transplanting it to a damaged site that needs to be repaired. Skin grafting can be used to treat burns, wounds, surgical incisions, ulcers, cancer resection, etc. This operation can help restore the skin function and appearance of the damaged area, and promote wound healing and scar formation.