Superstition in ancient society: The book Lu Ban contains some supernatural contents such as witchcraft and geomantic omen, which is consistent with the superstition in ancient society and is easily regarded as heresy, so it is listed as a banned book.
Social class factors: The Book of Lu Ban involves the life and skills of ancient bottom craftsmen, which are often regarded as a threat by the ruling class. Therefore, in order to maintain social order, the ruling class may ban the dissemination of this book.
Folklore and misunderstanding: Folklore and misunderstanding of Lu Ban Shu may also lead to its ban. For example, some people think that "Lu Ban Shu" records the content of ghost hunting magic, and those who study "Lu Ban Shu" may face five evils and three shortcomings, either short-lived or lonely. These legends may make people misunderstand the book "Lu Ban", which leads to its being banned.
The Significance of Lu Ban Shu
It reflects the technical level and wisdom of the ancient craftsman industry: Lu Ban was a famous craftsman and inventor in ancient times, and his books reflected the technical level and wisdom of craftsmen at that time. Many construction techniques and methods were recorded in the book, which provided valuable experience for later craftsmen.
This paper reveals the situation of the ancient craftsman industry: in the book "Luban", we can see that ancient craftsmen sometimes have safety accidents and encounter some strange events when working. The ancients were very taboo about this, so we can use some contents in "Lu Ban Shu" to pray for blessings and eliminate disasters, reflecting the situation of the ancient craftsman industry.
Protect craftsmen's own interests: Ancient craftsmen had a low status, and sometimes they were bullied by rich bullies, owed wages or intimidated by foremen. Some contents in Lu Ban Shu can be used as a means for craftsmen to protect their own interests, which is of positive significance to the development of local carpentry industry.
Reference to the above content: Baidu Encyclopedia-Lubanshu