婴儿时期维生素K缺乏所致的严重出血现象,特别易出现颅内血肿并脑疝,可导致死亡或遗留永久性后遗症。本病起病突然,易造成误诊而贻误治疗时机。本文报道了16例迟发性维生素K缺乏症,对其病因、临床表现与诊断、治疗进行了分析。维生素K的摄入不足,合成减少,吸收或利用障碍均可发生本症。对本病要重视做好预防。 Severe bleeding due to vitamin K deficiency in infancy, especially intracranial hematoma and herniation, can lead to death or permanent sequelae. Sudden onset of the disease, easily lead to misdiagnosis and delay the timing of treatment. This article reports 16 cases of delayed vitamin K deficiency, its etiology, clinical manifestations and diagnosis, treatment were analyzed. Insufficient intake of vitamin K, decreased synthesis, absorption or utilization of disorders can occur in this disease. Pay attention to this disease to prevent.