In general, larger scars on the neck, face, etc. definitely require surgical treatment. The ideal practice is to bury a skin expander in one phase, then inject water into the expander every few days, wait for the skin to expand, then excise the scar, and then transfer the expanded flap to the wound for repair. The current scientific practice is to locate a thick penetrating branch in the adjacent area before surgery, then bury the dilator in the area, and after the skin expands, transfer the prefabricated ultra-thin penetrating flap to the scar excision wound. Currently, most plastic surgeons in Europe and the United States use this approach to repair larger areas of cervicofacial scar growths and contractures.