Suggestion: You need to pay attention to the following contents: you can use pillows to raise the affected limb, avoid pressing the skin graft, and keep the proper fixing and supporting position; The patch area may be fixed with plaster, so please don't remove it at will to limit the activity; If the skin plaque area is in the lower limbs, be sure to stay in bed and don't get out of bed at will. Get out of bed gradually only if allowed. Nutritional supplement: eat more high-calorie and high-protein diets, such as fish, meat and eggs.