Bookstores have a long history and a rich collection of humanities. During the Southern Song Dynasty, it was one of the three engraving and printing centers in China, and was called "Book House". The engraving industry lasted for hundreds of years in Song, Yuan, Ming and Qing Dynasties, and the bookstore was an old revolutionary area. During the Anti-Japanese War, Fujian Provincial Party Committee was stationed in Sun Mountain, and made a brilliant achievement of "Red Flag Not Falling".