糖尿病是由于胰岛素缺乏或其生物活性下降，引起糖、蛋白、脂肪代谢紊乱，以血糖升高为特征的一种综合症。长期血糖控制不良患者糖尿病足坏疽的发病率明显增高。在欧美约为糖尿病人的１０％以上，日本为２．３７％。糖尿病足坏疽占我院门诊糖尿病人的２．４５％。在我们收治的 Diabetes mellitus is a syndrome characterized by elevated blood glucose due to a deficiency of insulin or a decrease in its biological activity, causing disorders of sugar, protein and fat metabolism. The incidence of diabetic foot gangrene was significantly higher in patients with long-term adverse glycemic control. About 10% of diabetic patients in Europe and the United States, Japan 2.37%. Diabetic foot gangrene accounted for 2.45% of outpatients with diabetes mellitus. In our treatment