Method: The wounds were treated with MEBO and necrotic tissues were removed.After granulation was formed, skin grafts of vascular net with dermis were sutured in the defect area and pressure bandaged.

• 方法：溃疡足经湿润烧伤膏(MEBO)排除坏死组织至新鲜肉芽创面形成，切取腹部皮肤及皮下组织尽可能修成含脂肪少的真皮下血管网皮片，缝于足部损伤处打包加压。