Professor Xuan Guo-wei serves as a professor, chief physician, and doctoral supervisor of the Guangzhou University of Chinese Medicine. He has also been given the title of “National Famous Physician of Chinese Medicine”. As an expert, he has earned national recognition and is assigned as a Master Physician of the National Master and Apprentice Education Program. He has been engaged in clinical practice, teaching, and scientific research for more than 40 years. Over his long career in clinical practice, he has developed the special clinical approach — “tonifying the Kidney” — which is based on the principle of harmonizing yin and yang. The approach has been proved effective in the treatment of complicated dermatological diseases. Naturally, he is widely sought out by patients for treating difficult dermatological cases.