If the scars are small, not deep and regular in shape and not in the middle part of the body, they can be removed by combined treatment, such as topical scar treatment drugs, fractional laser plus local injection treatment, and it is possible that the scars will be flattened after several times of combined treatment. If the scar is particularly large, deep and irregularly shaped, it is more difficult to ensure its removal.2. In addition, it depends on the body type. If the scar is a scar body or the shape of the scar grows outward like a crab’s foot, that is, scar pimples, it is more difficult at this time, you can use the methods just mentioned plus radiotherapy, which may ease after combined treatment, but cannot guarantee complete removal.