新生儿高血糖症是一种少见的疾病。据统计,发病率约为2％,临床上常被忽视,但其严重后果并不亚于新生儿低血糖症。现将我们遇到的三例报告如下: 例1男,住院号:21042,孕30周自然分娩,为双胞胎之大双,出生时情况良好,体重1,500g。生后6小时开始用滴管喂糖水;生后第2天反复出现呼吸暂停,发绀,日发作2～3次:于生后第4天由外院转入我科。家族中无糖尿病患者。体检:体重1,400g,未成熟儿貌,反应差,皮下脂肪菲薄,呼吸不规则,有三凹征,两肺闻细水泡音,心(-),肝肋下1cm,脾未触及,双大腿外侧硬肿。实验室检查:Hb110g/L,RBG4.18×10~(12)/L,WBC3.7x10~9/L,中性细胞25%, Neonatal hyperglycemia is a rare disease. According to statistics, the incidence rate of about 2%, clinically often overlooked, but its serious consequences no less than neonatal hypoglycemia. Now we encounter three cases are reported as follows: Example 1 male, hospital number: 21042, 30 weeks of pregnancy natural childbirth, twin twins, at birth in good condition, weighing 1,500 g. Six hours after birth, he began to feed syrup with a dropper; after the second day of life, apnea and cyanosis occurred repetitively. The episodes were performed 2 to 3 times: from the outside hospital to our department on the 4th day after birth. Family without diabetes. Physical examination: weight 1,400g, immature appearance, poor response, subcutaneous fat meager, irregular breathing, there are three concave sign, the lungs smell fine blisters sound, heart (-), hepatic ribs 1cm, spleen not touched, Hard swelling. Laboratory tests: Hb110g / L, RBG4.18 × 10-12 / L, WBC3.7x10-9 / L, 25% of neutral cells,