Angong Niuhuang Pill is a proprietary Chinese medicine that has the effect of clearing heat and detoxifying, calming and opening the body. It is mostly used in the treatment of patients with cerebral hemorrhage, acute cerebral infarction, meningitis and toxic encephalopathy. The best time to take Angong Niuhuang Pill is within three hours after the onset of the disease, and the earlier it is taken, the more obvious the effect. If you suffer from ischemic cerebrovascular disease, you can take Angong Niuhuang Pill while applying vasodilator drugs, because Angong Niuhuang Pill has the effect of reducing cerebral edema, improving neurological function and promoting the awakening of comatose patients with cerebral infarction. Coma caused by cerebral hemorrhage can also take Angong Niuhuang Pill because it can improve the ability of damaged brain cells to resist ischemia and hypoxia to prolong survival and reduce brain cell necrosis to promote awakening. Patients with cerebral hemorrhage should also be treated with both hemostatic drugs and drugs to lower intracranial pressure.