1. In the early society of China, with the development of craftsman technology, especially the early craftsman technology represented by mill, blast furnace, plough and wheel technology, it provided a reliable foundation for agricultural development, and the ancient agricultural population increased rapidly.
2. With the development of wheel technology, it is possible for people to move or migrate and gather across time and space, and cities or cities appear. A large number of cities in the Central Plains provide a broad space for the development of craftsmen's handicrafts, and craftsmen's classes independent of agriculture begin to appear.
3. Together with other classes, craftsmen built the early structural system of Chinese civilization, gradually formed the development form and spiritual characteristics of Chinese craftsman civilization, and provided high-quality resources for the global spread of Chinese craftsman civilization.