Zhang Qicheng, born in 1959, Huizhou, Anhui Province, Dr. Peking University. At present, he is the director of the library of Beijing University of Chinese Medicine, a professor at Beijing University of Chinese Medicine, a doctoral supervisor, the chairman of China Yi Xue Science Committee, the president of China Chinese Medicine Culture Research Association, the dean of Beijing Yihe College, Peking University, Tsinghua University, distinguished professor of Fudan University, and Class 1 of Zhejiang University. Works: Emotion, Yi-ology and Traditional Chinese Medicine, Yi Dao's Elephant trunk, Yi Tu's exploration, Xiang-Shu Yi-ology, China's health-keeping wisdom, the secret of elixir health-keeping, Zhang Qicheng's talk about Zhouyi management, Zhang Qicheng's interpretation of Zhouyi, the philosophical basis of traditional Chinese medicine, Yi-ology dictionary and the application of Yijing.