Scars that bulge after wound healing are caused by excessive proliferation of fibrous connective tissue after skin injury, which can be relieved by the following ways: 1. Topical medication: Patients can apply aloe vera gel or scar removal cream containing steroids in appropriate amounts under the guidance of a physician, which can play a certain degree of relief for mild protruding scars; 2. Local subcutaneous injection: For more obvious protruding scars, patients can inject steroids directly into the scar subcutaneously for treatment. For more obvious protruding scars, patients can directly inject steroids into the scars under the operation of professional doctors for treatment, which can effectively play the role of anti-inflammation and dissolution of inflamed tissues; 3, laser treatment: through carbon dioxide laser and other laser technology to irradiate the skin, which can play the role of decomposing and repairing subcutaneous elastic fiber tissue, unblocking meridians and repairing regenerated cells, for the treatment of 4.Surgical treatment: For scars with larger area, the clinical treatment is usually carried out by surgical methods such as simple excision and suture method, flap method and facial scar excision with skin implant method. Although the treatment difficulty of this method is relatively large, the clinical effect is relatively good. With the continuous improvement of medical technology, concave and convex scars at wounds can usually be removed very well. Therefore, for patients who need to remove scars, it is recommended to seek one-on-one consultation with a dermatologist at a hospital to clarify their situation and then choose a suitable scar removal method to treat them, so that the skin can be recreated in a delicate and flat, clear and natural way.