Abstract:To collect the researching documents of recent years about the pharmacodynamics research and modern clinic application of Huangqintang and its relative prescription, and to discuss the current general situation of the pharmacodynamics research and clinic application. Huangqintang has the pharmacodynamics effect such as resist bacteria and inflammation, adjust immune system, ease pain, protect the liver, lower the index of aminotransferase, anti cancer and virus, lower the physical temperature, and calm down the emotion. The original and relative prescription can be commonly used in curing intestines disease such as diarrhea, acute enteritis and gastritis, ameba diarrhea, etc. It can also be used in internal medicine, gynecology, dermatology, etc.