Yes Sun Mingxin believes in the Book of Changes, because the Book of Changes is the crystallization of the great wisdom of our ancestors and is very scientific. Because Sun Mingxin (lecturer of Yijing National Studies) is a Shandong architectural engineer, psychological consultant, feng shui consultant of architectural design institute, and the key to Yi Xue, Sun Mingxin has a high reputation and influence in the Yijing circle, and is regarded as one of the representatives of Yijing, so Sun Mingxin can believe in Yijing.