白血病患者化疗后都出现不同程度的骨髓抑制,由于反复化疗,骨髓的耐受性较差,骨髓抑制期较长,患者在骨髓抑制期因白细胞减少、粒细胞缺乏极易合并各种感染,如细菌、真菌以及结核感染等,其中真菌感染的比例在逐年增高,由于真菌感染起病隐袭、治疗困难、需要的时间较长,极易影响? Patients with leukemia have varying degrees of myelosuppression after chemotherapy. Due to repeated chemotherapy, bone marrow is poorly tolerated and has a longer period of myelosuppression. Patients with leukopenia and agranulocytosis during myelosuppression can easily combine various infections, Bacteria, fungi and tuberculosis infection, of which the proportion of fungal infections increased year by year, due to insidious onset of fungal infections, treatment difficulties, the need for longer, easily affected?