Introduction to the Jiaye Library: The Jiaye Library was built by Liu Chengqian, the grandson of Liu Yong. It was named after the Qin Ruo Jiaye Kowloon gold plaque presented by Emperor Puyi of the Qing Dynasty. The owner of the building spent 20 years and spent a lot of time on it. For 300,000 silver, 600,000 volumes of books were obtained. During the heyday of the library from 1925 to 1932, it contained 155 kinds of Song and Yuan periodicals, more than 1,000 kinds of local chronicles, and many Ming periodicals and Ming manuscripts. A large number of It is a collection of Qing people's essays and various historical collections. The library is not only famous for its collection of ancient books, but also famous for its exquisite engraving and printed books.