Tian teacher is an experienced scholar of the Book of Changes, not the Book of Changes. He has been engaged in the study of home feng shui, naming and Zhouyi culture for more than ten years, especially in the application research and practice of Zhouyi, which has made great contributions to the development and popularization of Zhouyi. He has been invited to give lectures and academic exchanges in famous universities at home and abroad, such as Japan, Thailand, Malaysia, Hongkong, Macau and Taiwan Province.