The old Chinese doctor was one of the founders of Chinese medicine. His contribution could not be ignored. Through long-term practice, he had developed a complete set of Chinese medicine theories and made great contributions to the development of Chinese medicine. He paid attention to the overall observation and systematic analysis, emphasizing the principle of "taking the disease as the foundation and the human as the center", and put forward many important treatment ideas and methods. His works Huangdi Neijing and Nan Jing were two of the classics of Chinese medicine, which had a profound influence on the development of Chinese medicine. The old Chinese doctor was an outstanding medical scientist, and his contribution would be recorded in history. We should learn from his ideas, inherit his medical skills, and contribute to the health of China.