Scars after burns are a common plastic surgery business, and scars are the culprits of disfiguring diseases. Jinan Military General Hospital Plastic and Reconstructive Surgery Li Jiang, one of the common diseases of the Department of Cosmetic Plastic Surgery is small scars on the skin of the face and exposed parts of the limbs plastic surgery. Healthy skin is a symbol of health and beauty. Scars on the skin, like blemishes on a beautiful jade, tend to destroy the overall beauty, so scars are the mortal enemy of beauty. Most of the scar formation is caused by burns, bruises, cuts, etc. A few people have scars from surgical procedures. Scars are a repair response of the body to tissue damage. After human tissue injury, dermal fibroblasts, collagen, and proliferating blood vessels work together to form a scar, which connects the soft tissues of the cracked skin and is healing. However, scars often continue to grow and proliferate after the wound has healed, creating unsightly scars that expand out of the skin surface. From the perspective of cosmetic surgery, some scars cause functional disorders, such as scar-induced ectropion of the eyelids, crooked corners of the mouth, small mouth deformities, etc.; some scars are large in size, affecting the aesthetic appearance. The prevention and treatment of scarring is very skillful. Reasonable application of existing medical technology can achieve good treatment results. Steroid intracranial injection: suitable for small hyperplastic scars and idiopathic keloid scars. Radiotherapy: X-ray superficial irradiation or isotope patch can be used. It is useful for scar prevention after wound healing, and is also an auxiliary method of scar treatment. Topical medication: the use of scar softening cream, scar enemy and other plasters can promote scar softening, absorption. CO2 laser treatment: can make the surface uneven small scars or acne scars Shu Ping. Scar excision cosmetic repair method: using non-invasive microsurgical sutures, fine layered sutures, to achieve a scar-free healing effect. For larger scars, localized flap transplantation with fine suturing can also achieve the best cosmetic results.