T lymphocyte subpopulation CD3,CD4,CD8 as well as NK cells in peripheral blood and serum levels of immunorglobulin(IgC, IgA, IgM) were detected before and after administration of Clostridium butyricum.

• 治疗期间禁用任何抗菌药物及影响免疫的药物；检测治疗前后周围静脉血之CD3；CD4；CD8；NK及免疫球蛋白A；G；M.