糖尿病(DM)是由于胰岛素缺乏所造成的糖、脂肪、蛋白质代谢紊乱症。I型是由于胰岛β细胞被破坏或胰岛素分泌绝对不足引起,必须使用胰岛索治疗。多数儿童期属于该类型糖尿病。Ⅱ型是胰岛素分泌不足或靶细胞对胰岛素不敏感所引起,儿童期发病甚少。青年成熟发病型是一种常染色体显性遗传的β细胞功能缺陷症,极罕见。发病高峰在学龄前 Diabetes mellitus (DM) is a sugar, fat, and protein metabolism disorder caused by insulin deficiency. Type I is due to islet beta cell destruction or absolute lack of insulin secretion caused by the need to use insulin therapy. Most children belong to this type of diabetes. Type II is caused by insufficient insulin secretion or target cells are not sensitive to insulin caused little in childhood. Ripening of young adults is an autosomal dominant beta cell dysfunction, extremely rare. Peak incidence in preschool