Hu huang Lian or Huang Lian is also known as coptis rhizome. The bitter and cood herb has been used in TCM as anti palette coagulation, anti arrhythmia, anti diabetic agent and to relief heat toxicity, indigestion, diabetes, inflammation of intestine, diarrhea caused by bacterial infection, high fever, restlessness, insomnia, etc., as it eliminates Empty-Heat …