The scar left after the arm abrasion, you can take the scar removal drug treatment and laser surgery and other methods. 1. Scar removal medication: in the body abrasions or other traumatic injuries caused by wound healing, leaving an unsightly scar, for the scar smaller and lighter patients, you can follow the doctor’s instructions to use the application of scar removal ointment treatment, such as sodium heparin sodium allantoin gel, etc., applied to the scars, in order to slowly eliminate the scar. 2. Laser Surgery: For more serious scars, laser therapy can be used. Relatively speaking, the therapeutic effect of laser treatment can also be seen relatively quickly. For scar removal, it is recommended to go to regular hospitals for comprehensive scar removal treatment with laser and medication to avoid adverse consequences.