Care after scar repair is an important element, mainly including: 1. scar repair, which can reduce the tension of local skin, has special requirements on posture and activities of postoperative patients; 2. within 1-2 days after stitch removal, avoid getting water on the wound and change medication regularly according to the doctor’s requirements; 3. light diet, less contact or no contact with tobacco, tea, wine, beef and mutton food. Beef and mutton are foods with high protein content, but they will have an effect on the blood supply and sensation of the skin after eating. Eating the above-mentioned foods after surgery can make patients feel uncomfortable with their wounds, and it can affect the formation of scars.