In children, depressed scarring is most often the result of more severe trauma. If the scar is small and the depression is mild, it can gradually return to being flat on the skin surface. However, in most cases, it is unlikely to grow flat without standardized treatment. The formation of depressed scar is mainly due to the damaged skin in the process of repair, subcutaneous tissue adhesion or elastin deficiency, and then can not make the subcutaneous tissue interconnection, filling the damaged area, resulting in local depression. After the formation of indentation scar, if the scar is not big, due to the strong metabolism of the child, it may gradually grow flat, if the scar is obvious, it is unlikely to grow flat. When your child develops a depressed scar, it is recommended to consult a dermatologist in a timely manner for topical medication and, if necessary, physical therapy or surgery to improve the appearance, such as fractional laser therapy, fat injection or surgical excision and suturing.