再生障碍性贫血(简称再障),是骨髓造血组织减少所致的骨髓衰竭而发生的以全血细胞减少为主要表现的综合征。关于本病的病因到目前为止尚未完全明瞭,治疗比较困难,这是对人类危害很大的一种疾病,也是在血液学中极为重要的一个研究课题。 Aplastic anemia (referred to as aplastic anemia), bone marrow hematopoietic tissue loss caused by bone marrow failure occurred in the pancytopenia as the main manifestation of the syndrome. The etiology of this disease has not yet been fully understood, the treatment is more difficult, which is a great harm to human diseases, but also in hematology is an extremely important research topic.