This is a story about inheriting and promoting China's excellent traditional culture. The Grand Canal, engraving and engraving of books, etc., Keep Chinese civilization alive. The novel aims to establish a biography of the booksellers who were engaged in the woodblock printing industry during the Ming and Qing Dynasties. They made great contributions to the spread of Chinese civilization. However, in ancient feudal society, the status of scholars, farmers, industry, merchants, and booksellers was extremely humble, and their arduous entrepreneurial stories were often forgotten by the world. The Li family has been farmers for generations and is known as the "Qinglian Family". They are descendants of Li Bai and live in Lijia Village in Xu Town. During the Ming and Qing Dynasties, capable people of the Li family ran the "Longxi Hall" bookstore in Xu Town for many years. Li Weiqing, as a civil servant, was influenced by the feudal ideology of ancient feudal society, such as "everything is of inferior quality, only reading is high". He went to Beijing through the Grand Canal many times to take the exam, but he never got the Jinshi. He saw through the shortcomings of the imperial examination system, and in anger, he decided to give up the business exam. As a scholar, he loved books as much as his life, which determined that he would be friends with books throughout his life. He stayed in Beijing to set up bookstalls and open bookstores, and constantly opened up new book markets. After returning to Xu Zhen, Li Weiqing carried out drastic reforms in the bookshop. After experiencing the infringement of printed books, he struggled to defend his rights, diversified operations, and participated in public welfare undertakings. Xu Zhen's woodblock printing, printing and engraving brought core competitiveness to the Li family. Xu Zhen and Beijing were connected from the north to the south and complemented each other. In Liulichang, Beijing, the Li family relied on their superb skills and hard work to manage, and encountered many difficulties such as ship capsizing, book damage, drunken fires, etc. They resolved one by one, defeated various competitors, and finally monopolized the Beijing book market.