近年来由于预防使用维生素K,新生儿出血症明显减少,而晚发性维生素K缺乏所致颅内出血的报道相继增多,该病易被误诊而贻误治疗,为探讨该病的早期诊断,现将我院1983～1989年确诊的27例报道如下。临床资料27例中,男20例,女7例。年龄24天～3个月。均为足月母乳喂养儿,生后无特殊问题,居住农村者18例,城市9例,家族中无出血病史。起病至入院时间:0.5小时1例,4小时2例,12小时3 In recent years due to the prevention of the use of vitamin K, neonatal hemorrhage significantly reduced, and late onset of vitamin K deficiency caused by increased intracranial hemorrhage have been reported, the disease is misdiagnosed and delaying treatment, to explore the early diagnosis of the disease, will now Our hospital from 1983 to 1989 confirmed 27 cases reported as follows. Clinical data of 27 cases, 20 males and 7 females. Age 24 days ~ 3 months. Are full-term breastfeeding children, no special problems after birth, living in rural areas in 18 cases, 9 cases of urban, family history of no bleeding. Onset to admission time: 0.5 in 1 case, 4 hours in 2 cases, 12 hours 3