Scar removal methods include surgical treatment, medication and physical therapy. 1. Surgical treatment: for relatively stable old scars, if drug treatment is ineffective, you can give keloidectomy, keloid reshaping surgery and other surgical methods to treat. 2. Medication: For proliferative scars that are not suitable for surgery, intra-scar injection of trimethoprim acetate and other medications is possible, usually once every 14 days, with 3 to 5 times as a course of treatment. For half a year of the scar, the scar is still in the proliferation period, at this time the use of silicone gel and other external inhibition of scar proliferation of drugs; 3. Physical therapy: for general scars, no contraindications can be given to laser therapy, radiotherapy and other physical methods to assist the first two treatments. Scars generally do not need treatment, if it affects the appearance or accompanied by pain and itching and other sensory abnormalities, please go to the regular medical institutions in a timely manner, the above drugs must follow the doctor’s instructions.