Atrophy can be understood in parallel to clinical atrophic scarring. Skin necrosis is mainly caused by excessive local tissue damage or bacterial infections due to other factors, and can lead to the formation of localized depressed scarring if the skin defect is large or if the primary disease is not effectively controlled. As a result, skin necrosis can atrophy in the case. When the area of necrosis is not large, you can actively treat to remove the necrotic tissue, combined with drugs to promote the healing of skin lesions in order to accelerate the healing of the tissue; if the area of necrosis is large, and the healing process is accompanied by infection, the local tissues are very likely to form an atrophic scar, at this time, you can choose to use the laser treatment to make the skin proliferation, or the use of filler treatments, autologous fat filler, etc.. Skin necrosis, should be timely to the regular hospital for treatment, so as to avoid the occurrence of skin lesions in the form of atrophic scar healing, affecting the appearance.