对１２８例Ⅰ型糖尿病患者的临床及流行病学资料进行了分析。结果表明，Ⅰ型糖尿病以冬春季节为发病高峰；５０％以上患者发病前有明显诱因，其中以病毒性上呼吸道感染为主（占８１．２％）；青少年患者多急性起病；６～１８岁为Ⅰ型糖尿病的易发年龄；约８．６％的患者有较典型的“蜜月期”；６．３％的患者具有糖尿病家族史；发病性别比例无显著差异 The clinical and epidemiological data of 128 patients with type 1 diabetes mellitus were analyzed. The results showed that the incidence of type I diabetes was the peak in winter and spring. More than 50% of the patients had obvious predisposition before onset, of which viral upper respiratory tract infection was the most common (81.2%), juvenile patients were more acute onset, 18-year-old for type 1 diabetes prone age; about 8.6% of patients have a more typical “honeymoon”; 6.3% of patients with family history of diabetes; incidence of sex ratio was no significant difference