An Gong Niu Huang Wan is the most prestigious traditional medicine for emergency cases in China, and is regarded as the first of the “three treasures” by Chinese medicine practitioners, together with Zi Xue Dan and Zhi Bao Dan. The source of the prescription of Angong Niuhuang Pill is from “The Discernment of Warm Diseases”. It is believed that the heart is the official of the ruler, and the pericardium is like the palace city of the ruler, which is subject to evil on behalf of the ruler. This formula is good at clearing the evil heat that is trapped in the pericardium, so that the ruler of the heart can live in his palace in peace, and it uses Niuhuang as the main medicine, hence the name Angong Niuhuang Wan. The composition of Angong Niuhuang Pill mainly consists of Niuhuang, Yujin, Rhinoceros, Scutellaria, Huanglian, Xionghuang, Gardenia, Cinnabar, Bingqi, Musk, Pearl, and gold foil as the coating. The properties of the drug are yellow-orange and reddish-brown large honey pills, aromatic and strong gas, taste slightly bitter. The main points of identification of Angong Niuhuang Pill are delirium, high fever and irritability, red or vivid tongue and counted pulse. An Gong Niu Huang Wan is used for the treatment of wind-heat, spring-heat, summer-heat, epidemic-virus, burning of blood and blood, heat trapped in the heart, and high fever and irritability caused by phlegm-heat clouding the clear orifices; delirium or syncope of the limbs, as well as stroke and phlegm congestion, sudden coma, red face and thick breath, distorted mouth and eyes; children with external sensation, fever and wind, wind and phlegm upward disturbance, phlegm sounding in the throat, and convulsions. This medicine can be used to treat epidemic meningomyelitis, type B encephalitis, toxic pneumonia, toxic dysentery, cerebrovascular accident, hepatic coma, septicemia, etc. in Western medicine. The precautions of Angong Niuhuang Pill are as follows: This product is designed for heat shutdown, cold shutdown should not be used. The prescription of this product contains musk, aromatic, which is harmful to the fetal energy, pregnant women should use with caution. During the period of taking the medicine, it is advisable to eat light food, avoid eating spicy and oily products, so as not to promote fire and produce phlegm. This formula contains cinnabar and staminaria, which should not be taken for a long time in excess. In the course of treatment, if spontaneous sweating and chills, pale face, cold sweat, weak pulse, and change from closed evidence to off evidence occur, the medicine should be stopped immediately. For those who have difficulty in taking this product due to high fever or stroke coma, the drug should be administered intranasally. Pregnant women, nursing mothers, children and the elderly should follow medical advice when taking this product. Use with caution in allergic persons. Children should be used under adult supervision. Use with caution in athletes. Be cautious with Angong Niuhuang Pills, and pay attention to the dosage and time of administration when using it, and do not overdose. Especially those with liver and kidney dysfunction should be used with caution to prevent improper administration from causing adverse reactions that could endanger life. If symptoms of poisoning appear, the drug should be stopped immediately. As there is no special antidote for Angong Niuhuang Pill poisoning, it should be sent to the hospital to take first aid measures such as gastric lavage.