There is a secular concept that has long bound people's thinking, that is, excessively praising those who have large production scale and many processed works, and even summarizing three or four. As mentioned above, due to economic, cultural, industrial, transportation and other factors, a number of large and small woodcut production and sales centers have indeed formed, so the talents are concentrated and experienced, which is conducive to the development of dry art and is representative. This is very valuable, but the "Three Four Great Classical Novels" can't extend indefinitely or even appear. The theory of three cradles and four cradles is rooted in history. It is like the stars in the sky, some are far and near, some are bright and bright, some are big and small, some fall, some are reborn, and some are covered by clouds for a while. However, the vast Milky Way is a collection of thousands of stars. Even if the stars arch the moon, we can't ignore the flashing light, and we should have a comprehensive attitude towards national culture.

Art is about innovation, repetition and conformity, but people's needs are a matter of quantity. The rise of printing is valued because it can be copied in large quantities and spread easily. A version, printed thousands of times, becomes very easy and is regarded as a great contribution to civilization. After the demise of the Northern Song Dynasty, many people fled from the north to the south of the Yangtze River. In the Southern Song Dynasty, people often missed the lost imperial city and their long-lost hometown, so there were genre paintings on the Riverside Map at Qingming Festival, and many replicas appeared. The prosperity of urban economy promotes the improvement of citizen culture and the liveliness of rural culture, which is an important reason for the development of secular folk New Year pictures. Anyone who knows a little about photographic plate making will know that the painter's paintings can't be deformed when they are sent to photographic plate making, and modern technology has been solved. But in ancient times, how to make the painter's hook line completely consistent with the engraving was a big contradiction.