Objective: To investigate the effect of invigorating spleen and reinforcing the earth on the expression of NF-KB/P50 in rat brain after focal cerebral ischernia / reperfusion.Methods: 120 SD rats were randomly divided into sham operation group, model group, edaravone group, spleen and small earthwork, middle and high dose group, 20 rats in each group.The suture prepared rat cerebral artery occlusion again perfusion model, each according to 3D, 7d, two time points again divided into two sub groups observed at different time points in each gr...