Skin grafting surgery is one of the very common types of surgery in the clinic, and the following precautions are often taken after the surgery: First, the surgical area needs to pay attention to warmth, to avoid the local skin temperature is too low, causing poor blood circulation, which induces necrosis of the local skin ischemia and hypoxia. Second, the implant surgical area needs to strengthen the incision of the drug treatment, clinical use of 0.5% vitality iodine cotton balls local disinfection, to avoid excessive local irritation, accompanied by fat liquefaction or incisional infection of the wounds, need to be as soon as possible the incision is open to remove the local accumulation of fluids, accumulation of pus, to avoid causing local necrosis of the flap or delayed healing. Third, 24-72 hours after implantation, need to closely observe the activity of the skin flap, if the local activity is not good, accompanied by black color, obvious swelling, pain, if necessary, need to remove the skin flap, a second surgical treatment.