１病例报告患者，男性，２８岁。１９９２年１２月因身穿棉裤着火致左小腿中段Ⅲ°烧伤。面积２０ｃｍ×３０ｃｍ。曾在当地医院行切痴植自体韧厚皮完全失败，形成肉芽创面。后因经济拮据而在家中自用盐水清洁创面并用市售卫生纸覆盖。创面经久不愈，反复感染。发病后无高热、 1 case report patient, male, 28 years old. In December 1992, he burned his trousers and caused a third degree burn in the middle of the left leg. The area is 20cm x 30cm. He had suffered from a complete failure in self-thickness and thick skin at a local hospital and developed granulation wounds. Later, due to financial constraints, the salt water was cleansed at home and covered with commercially available toilet paper. The wound is prolonged and repeatedly infected. No fever after onset,