I have studied the numerology of Zhouyi for decades, not only inheriting the essence of China traditional culture, but also combining with the changes of today's social environment to constantly research and innovate. He has rich practical experience, and has written works such as Arbitrary, The Interest of Eight Characters, Uncovering the Mystery of Numerology, A Treasure Book of Yang Zhai's Feng Shui, etc., and as a special expert, he published Eight Characters as the Message of Life's Destiny at the First Forum of Yi Studies in China (1997 Anhui).
Yang Yanshan enjoys a high reputation in the field of Yi studies. In view of his outstanding contributions and achievements in Yi-ology, Haikou TV Station, Nanning Evening News, Guangxi Daily, Guangzhou Daily and other media have reported on him successively. He was also invited by the hospital as a lecturer in the public welfare class for pregnant women, teaching courses such as "prenatal and postnatal care" and "prenatal and postnatal care".