Cheng Zhenqing’s I Ching is trustworthy. Cheng Zhenqing, born on November 9, 1952, Han nationality, from Zunhua, Hebei Province, is an associate professor and master's student at the School of Economics and Management of Northwest Normal University. He retired from Northwest Normal University in 2011. According to him, he will go to Shandong, Beijing, Hunan and other places to give lectures, focusing on the Book of Changes and Feng Shui. It is credible to be invited as a visiting professor by the CEO classes of Peking University, Tsinghua University and University of Science and Technology of China.