Children’s legs fall broken scab and then fall broken to clean the wound to avoid infection, topical drugs to promote healing. When the wound is secondarily injured, it should be cleaned up in time to avoid infection, as well as to pay attention to the protection of the wound. When the wound is shallow, bleeding is not much, need to be under the guidance of the doctor first stop bleeding, clean up the wound, and then disinfected with iodophor and then bandaged with gauze, but also discretionary use of growth factor gel and other to promote wound healing. If the scab breaks after the wound redness, swelling, pus and other suspected symptoms, you can follow the doctor’s instructions for external mupirocin ointment, erythromycin ointment and other antibiotic ointment, serious cases need to be under the guidance of the doctor oral cephalosporin antibiotics and other anti-infective treatments, and at the same time need to be timely to the wound change the medicine treatment. If the scab breaks again and causes more blood flow, or falls on a dirty surface, or the wound is heavy and sees fat and other tissues, or the wound does not heal for a long time and other symptoms, it is recommended to go to the hospital for treatment in a timely manner, and do not treat the wound on your own, which may cause a delay in the condition of the patient.