糖尿病是体内胰岛素缺乏或胰岛素功能障碍所致糖、脂肪和蛋白质代谢异常的全身性慢性疾病。儿童时期糖尿病是指小于 15岁的儿童发生糖尿病者 ;95 %以上为 1型糖尿病 ,极少数为 2型糖尿病。病　　因　　 1型糖尿病是由于胰岛 β细胞被破坏而导致胰岛素绝对缺乏所致。进一步分为 Diabetes mellitus is a chronic disease of the whole body that is deficient in the metabolism of sugar, fat and protein in the body caused by lack of insulin or dysfunction of insulin. Diabetes in childhood is defined as diabetes in children younger than 15 years; more than 95% are type 1 and very few are type 2. Etiology Type 1 diabetes results from the absolute lack of insulin due to the destruction of islet beta cells. Further divided into