Most of the wounds after implantation of the leg do not heal because of wound infection, need to be again for debridement treatment, and then oral anti-infection and promote wound healing drugs; there are also diabetes caused by the possibility of non-healing, the need to lower sugar and other treatments. 1. After implantation surgery, the wound may not heal because of wound infection. At this time, it is necessary to carry out debridement again, clean the purulent secretion and the wound site of the clothing, and then bandage, and finally follow the doctor’s instructions to take anti-infective and promote wound healing medication. 2. Wounds that do not heal after skin grafting surgery may also be caused by diabetes, so patients also need to carry out blood glucose testing, if caused by diabetes need to be treated with hypoglycemic therapy, after the diabetes improves, the wound will gradually heal. Keep the wound area dry and clean, do not get wet before the wound is not healed, and do not eat stimulating food.