Dong Yiqi, an expert in folk culture, is the secretary-general of the World Chinese Zhouyi Association. He has been engaged in the study of the Book of Changes and the traditional culture of China for a long time, and has unique views on the Book of Changes, enterprise management and life design. He served as the host of Feng Shui column of TVS-2 Real Estate Magazine of China Southern Television, the speaker of Architectural Story column of satellite channel of China Southern Television, the host of the column of "Guide to the Master" of Southern Metropolis Daily every Friday, and the host of Monday column of National Studies Museum of Information Times, etc. Since 1998, he has been giving lectures on the Book of Changes at home and abroad. He is the first representative of the Book of Changes to enter the Great Hall of the People to give lectures on the culture of the Book of Changes, and the number of students at home and abroad has reached 1,. He was invited to attend many international and domestic conferences on Yi-ology, and was awarded the title of "Yi-ology Wizard" by the Jakarta Beautifying Nature Foundation of Indonesia, and became an academic consultant of the 6th World Conference on I-ching.