The Book of Luban was a classic book on ancient architecture. It contained a lot of techniques and knowledge related to architecture and civil engineering. However, due to the variety of versions and methods of circulation of the book, there are different views and debates on whether the contents of the book really exist. Some people believed that the contents of Lu Ban's book were true because the techniques and knowledge had been proven to exist by history. However, some people thought that the content in Lu Ban's book was too mysterious and magical, lacked scientific basis, and might even be exaggerated and fabricated. Whether or not one believed that the contents of Lu Ban's book were true depended on one's personal views and beliefs. Believe it or not, the Book of Lu Ban is a valuable cultural heritage that can help us better understand ancient architectural techniques and culture.