The effects and efficacy of Huang Dan powder are as follows: 1, Clearing fever and detoxification, for viral infections, bacterial infections or wind-heat type infections resulting in high fever, or even high fever and convulsions, Huang Dan powder has a certain effect of clearing fever and detoxification, but when Huang Dan powder is used to clear fever and detoxification, it should not be used in excessive amounts. 2, Removing decay and regenerating muscle, in Chinese medicine the body has infections, ulcers, and the presence of rotting flesh can be treated by Huang Dan powder. Huang Dan powder can also be used for infectious diarrhea, in Chinese medicine, if there is abdominal distension, abdominal pain, immediate regurgitation, etc., it can be properly applied to regulate the situation. However, Huang Dan powder has certain side effects, so it should not be used in excessive amounts for medicinal purposes.