糖尿病 (DM)慢性并发症是糖尿病人致残和早亡的主要原因。其病理基础之一是微血管病变。而微循环的改变对微血管病变的发生和发展有重要影响。目前 ,国内已做过较多研究。发现 DM患者有不同程度的脑电地形图 (BEAM)改变及微循环的异常 ,但二者之间的关系如何 ,未见深入研究。本 Chronic complications of diabetes mellitus (DM) are the major causes of disability and premature death in diabetic patients. One of the pathological basis of microvascular disease. The changes of microcirculation on the occurrence and development of microvascular disease have a significant impact. At present, China has done more research. Found that patients with DM have varying degrees of changes in the brain electrical map (BEAM) and microcirculation abnormalities, but how the relationship between the two, no in-depth study. this