目前 ,全球糖尿病病人总数超过 1.2亿 ,我国糖尿病至少有 2 0 0 0万 ,其中绝大部分是 型糖尿病。由于 型糖尿病具有发病率高 ,全身受累和无法根除等特征 ,其危害不仅是缩短人的寿命 ,而且因各种慢性并发症而导致生命质量的下降。更为重要的是 , 型糖尿病的病程长 ,致残率高 , At present, the total number of diabetic patients in the world exceeds 120 million, and at least 20 million of our patients have diabetes. Most of them are type 2 diabetes. Because of the high incidence of type diabetes, systemic involvement and can not be eradicated and other characteristics, the harm not only shorten the life expectancy, but also because of various chronic complications led to the decline in the quality of life. More importantly, the long duration of type diabetes, high morbidity,