Angong Niuhuang Pill is mainly used for patients with stroke and fever, and the earlier it is taken at the onset of the disease, the better the effect. Angong Niuhuang Pill is a kind of Chinese patent medicine, with the effect of calming and clearing heat and detoxification, mainly used in clinical practice for patients with fever, stroke, encephalitis, toxic encephalopathy, meningitis, cerebral hemorrhage, septicemia and so on. In general, after acute onset, as long as the indications are mastered, more satisfactory therapeutic effects can be obtained by taking it at any time. For example, for patients with encephalitis, toxic encephalopathy, meningitis, cerebral hemorrhage, sepsis, etc., it can also be used when symptoms such as febrile convulsions occur. However, it should be used with caution for patients with cold, pregnant women, and patients with renal insufficiency. When taking Angong Niuhuang Pill, care should be taken not to take it at the same time with nitrites, ferrous salts, nitrates, sulfates or Chinese medicines containing Chuanwu and Cao Wu. In conclusion, it is best to consult with your primary care physician before using medication to prevent adverse health effects from blind use.