Objective: To evaluate the efficacy and safety of edaravone combined with Danhong Injection in the treatment of acute cerebral infarction rats. Methods: SD rats were randomly divided into the sham operation group, model group, edaravone group, Danhong group and edaravone combined with Danhong group(combination group). The thread method was used to establish the left middle cerebral artery cerebral ischemia(MCAO) model. Except for the sham operation group, each group was divided into 4 subgroups according to different time points(1 d, 3 d, 5 d, 7 d). The curative effect indexes(neurological def...