Scar proliferation is caused by trauma and skin diseases, for different degrees of scars can choose different treatments to alleviate the symptoms, such as medication, injection therapy, surgical treatment. 1. Medication: Apply topical medication, such as sodium heparin sodium allantoin gel, to inhibit the synthesis of collagen by fibroblasts in the skin and prevent scar proliferation. Symptoms can be controlled by medication in the early stages. 2. Injection treatment: If the hyperplasia is more serious, glucocorticoid injection can be injected into the local area of the scar, such as Triamcinolone acetonide, compound betamethasone and so on. 3. Surgical treatment: If there is no significant improvement in both medication and injection treatment, the method of surgical excision with local radiotherapy can be chosen for keloid, to prevent the scar from proliferating again after surgery. It is recommended that when the skin wounds, try to prevent infection, to avoid inducing keloid hyperplasia. If hyperplasia occurs, go to the hospital in time for treatment and use medication under the doctor’s guidance.