目的 :探讨流行性乙型脑炎患儿外周血T淋巴细胞亚群、B淋巴细胞、NK细胞的变化特点及临床意义。方法 :采用流式细胞仪检测 3 6例乙脑极期患儿外周血T淋巴细胞亚群、B淋巴细胞、NK细胞。结果 :流行性乙型脑炎患儿极期体液免疫反应亢进 ,而细胞免疫有不同程度的抑制 Objective: To investigate the changes and clinical significance of T lymphocyte subsets, B lymphocytes and NK cells in peripheral blood of children with Japanese encephalitis. Methods: Flow cytometry was used to detect T lymphocyte subsets, B lymphocytes and NK cells in peripheral blood of 36 children with JE. Results: In children with Japanese encephalitis, the humoral immune response was hyperkinetic and the cellular immunity was inhibited to some extent