The whitening of the skin after being grilled does not necessarily mean that it is necrotic, but may also be caused by damage to the subcutaneous melanocytes at the site of the burn, which can be recovered through active treatment. If the skin turns white after being grilled, it may be caused by damage to the superficial skin layer, which is an early manifestation of skin necrosis, but it may also be related to damage to subcutaneous melanocytes. If the damaged part of the melanin secretion is insufficient, then it is easy to have a lack of pigmentation, so the skin in the area of the roasted area will look a little whiter than the surrounding. At this time, the patient should go to the hospital for examination in time to clarify the specific cause, and then use some ointments appropriately under the guidance of the doctor, such as tacrolimus ointment, etc., and skin grafting surgery can be carried out if necessary, so as to promote the recovery of the skin. During the treatment period, patients should pay attention to the care of the wound, keep the wound dry and clean, do not eat spicy and stimulating food, and pay attention to sun protection, so as not to aggravate the condition.