An outstanding lecturer. According to the information of Liu Hongyun in Yishui, we know that Liu Hongyun in Yishui is a distinguished medical lecturer, a standing member of the Sub-health Medical Research Committee of China Society of Traditional Chinese Medicine, a director of the Distance Education Training Center of the New Academic College of the National Community of Traditional Chinese Medicine Inheritance and Innovation, a director of the Joint Sub-health Professional Committee of the World Society of Traditional Chinese Medicine, and a chairman of the Humanistic Health Branch of China Bethune Essence Research Association. I have been a doctor for more than 20 years, and there are many students, who are deeply respected and loved by them. My teaching is kind and humorous.