Objective:To observe the effect of Buyang Huanwu decoction on NF -κB/p50 expression in brain tissue of rats with focal cerebral ischemia injury .Methods:One hundred and eighty SD rats were randomly di-vided into normal group , Sham -operated group , ischemia group , BYHWD treatment group , PDTC treatment group and MC treatment group .Each group was divided into three subgroups according to the time after admin-istration for 7d,14d,21d respectively.Neurological function score and NF -κB/p50 protein levels were exam-ined by using immunohistoche...