"Scar" is a local symptom that physical, biological, chemical and other factors damage human skin and soft tissue, resulting in serious damage to skin and soft tissue, which cannot be completely repaired by itself and is replaced by fibrous tissue, affecting appearance and function. "Scar" brings great physical pain and mental pain to patients, especially the scars left after burns and serious trauma. Scar is an inevitable product in the process of human wound repair. Broadly speaking, there is no wound healing without scars. The main component of scar tissue is fibrin, which cannot be removed once it is formed and can only be diluted. For the treatment of scars, there are clinical methods of surgery and rehabilitation physiotherapy. It is suggested that it should be carried out under the guidance of a professional doctor according to the specific situation.