噬血细胞综合征是近年来新发现且从骨髓细胞学角度提出的一种病症，是单核一巨噬细胞系统的良性反应性组织细胞增生征，国内外已见报道。但儿童患者甚少见。Reiner等（1988年）报告的一组（23例）病例中患者年龄自22岁至77岁．中数年龄为44岁。本院曾收治2例儿童患者，现予报道 Hemophagocytic syndrome is a newly discovered disease in recent years and has been proposed from the perspective of bone marrow. It is a benign reactive tissue cell hyperplasia in mononuclear-macrophage system, which has been reported both at home and abroad. However, children are rare. In a group of 23 patients reported by Reiner et al. (1988), patients were between 22 and 77 years of age. The median age is 44 years old. Two cases of children admitted to our hospital are now reported