Angong Niu Huang Wan is suitable for patients who are in delirium, high fever and fever after cerebral infarction, because Angong Niu Huang Wan has the effect of clearing heat and removing toxins, suppressing alarm and opening up the mind, and it is suitable for the fever that does not go away, such as heat into the pericardium, high fever convulsions, and delirium in delirium and other symptoms. However, Angong Niu Huang Wan has no effect on the recovery of cerebral infarction, so whether it is the acute stage of cerebral infarction or the recovery stage of cerebral infarction, if there is no fever, there is no indication for application. Cerebral infarction is caused by blood supply obstacle in the brain, resulting in ischemia and necrosis of brain tissue, which leads to the formation of unfavorable movement of limbs, speech clumsiness or other neurological deficits, and the treatment mainly involves activating blood circulation and removing blood stasis, lowering fibers, dissolving thrombus, anti-coagulation, and resisting platelet aggregation, and so on.