Wounds left scars, remove the methods include topical drugs, injectable drugs, surgery combined with radiotherapy and other treatments. 1. Topical medications: Silicone preparations can be used, which have a certain inhibitory effect on the proliferation of scars, and can be used to treat relatively minor or newly formed scars. 2. Injectable drugs: Scar growth can be relieved by injectable drugs, the more commonly used drugs include 5-fluorouracil, triamcinolone acetonide and so on. 3. Surgery combined with radiotherapy: If the patient has a large scar, or the patient himself belongs to the keloid physique, it is necessary to consider removing the scar tissue through surgery, and at the same time give local radiotherapy to inhibit the formation of local keloid. 4. Other treatments: If necessary, autologous fat filling, hyaluronic acid filling and dye laser can also be used. It is recommended that patients with scarred wounds be treated under the guidance of a doctor in a timely manner to avoid prolonged delay, which may result in the enlargement of scar tissue.