The paper expounded the main mechanism of excitatory neurotoxicity injury of cerebral ischemia,from these aspects of complex prescription of Chinese herbs,Chinese patent drugs,and so on,explained the inhibition of Chinese herbs on excitatory neurotoxicity injury.Many studies showed that TCM maybe had certain inhibition in the link of exciting amino acids toxicity,could suppress the release of EAA and down regulation of NMDA acceptor to achieve the effects for protecting neuron.