Yi Zhang is Chief Professor of Chengdu University of Traditional Chinese Medicine and director of Ethnic Medicine Academic Heritage Innovation Research Center. In the past 25 years, he has successively obtained 25 national invention patents and 5 new drug approvals such as "Tibetan Medicine Ranjiang Duoji Capsule". In addition, he also edited and published the “Dictionary of Chinese Ethnic Medicine”, a large reference book, which is of great significance for the development of ethnic medicine. Currently, he serves as chairman of the ethnic Medicine Special Committee of China Wild Plant Protection Society and vice president of the Medicinal Resources Branch and Scientific Research Branch of China Ethnic Medicine Society. At present, he is mainly engaged in the application demonstration research of new technologies and new methods in the quality evaluation, pharmacodynamic substance basis, and mechanism of ethnic medicine.