Depressions after laser treatment of sweat duct tumors are mostly depressed scars that remain after the scabs have fallen off. Some of them can be flattened, if the depression persists, medication, filling, skin rubbing, laser and other ways of treatment will be given if necessary. Sweat duct tumor laser treatment, the local depression after the scabs fall off is a normal manifestation, depressed scar proliferation period after part of the scar can grow flat. It is recommended to take good care of it, pay attention to moisturizing and sun protection, and part of it will gradually recover in about 3 months. If the scar is not recovered for a long time, and affects the aesthetic appearance of the person can be used to promote the recovery of topical growth factor gel. Carbon dioxide fractional laser can also be used to irradiate the local area, stimulate the collagen regeneration and rearrangement of the scar depression and gradually correct the depression. It can also be treated by subcutaneous filler injection of hyaluronic acid, autologous fat or other surgical excision and suture. To sum up, if the localized depression after laser treatment of sweat duct tumor fails to subside for a long time, it is recommended to go to regular hospitals for consultation and standardized treatment with the advice of specialists.