Professor Fan, former director of the Ancient Books Research Office of China Traditional Chinese Medicine Publishing House, has been a doctor for 40 years. Now he is a researcher at Beijing Traditional Medicine Research Center and the legal director of Beijing Pingxintang Chinese Medicine Clinic. Professor Fan has visited contemporary famous doctors in many ways for decades, which is quite authentic and has read many classics of traditional Chinese medicine. Among them, he is good at being deeply moved. See more, listen more, ask more questions, be meticulous and thorough, fully understand the teachings of ancient medical sages, freely send prescriptions and drugs, and widely absorb the essence of modern masters. He is a rare doctor today and has won the full trust and praise of Chinese and foreign patients.