Niu Huang Cheng Qi Tang is effective in clearing heat and opening the orifices, clearing stools and diarrhea, and is used for the relief of Yang Ming warm disease, in which the lower part of the body is impassable, and the evil is closed in the pericardium. Consult a physician before use. Niu Huang Cheng Qi Tang is a combination of Angong Niu Huang Pills and rhubarb powder, which is made by dissolving Angong Niu Huang Pills and mixing raw rhubarb powder. Niu Huang Cheng Qi Tang is suitable for those with heat entering the pericardium (heat evil invading the pericardium), delirium, gibberish and concomitant solidity of the internal organs. Among them, An Gong Niu Huang Wan has the efficacy of clearing heat and removing toxins (removing heat and evil from the body), calming fright and opening the orifices. Hypothermia or allergic reactions may occur during use. It is forbidden to use for cold evidence of fainting; rhubarb has the efficacy of diarrhea of heat and toxins, breaking stagnation and promoting blood stasis; it is used with caution in weak qi and blood, weak spleen and stomach (spleen and stomach weak and cold), without solid heat, stagnation and stasis, and in pregnant women.