糖尿病足是糖尿病神经病变、缺血性血管病变和感染三个因素共同作用所致。病变可以是单一的,也可能是混合的,由于感觉、运动和自主神经病变同时存在,改变了患者对自己足的位置、触觉、痛觉和温度的敏感性。足部皮肤容易受外伤或温度失调的损 Diabetic foot diabetic neuropathy, ischemic vascular disease and infection caused by three factors together. Lesions may be single or mixed, changing the sensitivities of the patient to his position, touch, pain, and temperature due to the simultaneous presence of sensory, motor and autonomic neuropathy. Foot skin susceptible to trauma or temperature loss of damage