Abstract:AIM To investigate the protective effect of hy-peroxia solution on the cerebral ischemia 18domestic rabbits ly divided into three Group A the balance salt20mL kg-1 (als after in Group C hyperoxia solution20mL kg-1 amount of NO and MDA as a e points(before ischemia,after20min ischemia and after45min reperfusion).RESULTS 45min after reperfusion,the amounts of NO and MDA in Group B and Group C itigate the cerebral ischemia and reperfusion injury.