糖尿病足是指糖尿病(DM)患者踝关节以下部位的溃疡、坏死或感染,是糖尿病患者严重的并发症之一,是老年糖尿病患者致残、致死的主要原因。大约15%的DM患者发生足部感染,85%发生不同程度截肢(趾)[1]。病因:糖尿病患者由于神经、血管疾病而失去感觉或缺血缺氧失去活动能力,致使足 Diabetic foot refers to the ulcer, necrosis or infection in the following areas of the ankle in patients with diabetes mellitus (DM). It is one of the serious complications of diabetes and is the main cause of disability and death in elderly diabetic patients. About 15% of patients with DM have foot infections and 85% have varying degrees of amputation [1]. Etiology: Diabetes due to nerve, vascular disease and loss of feeling or lack of activity due to hypoxia ischemia, resulting in foot