With the development of Shanghai and the surrounding areas of Jiangsu and Zhejiang provinces as well as the relocation of a large number of residents, old books continuously ended up in the old book market. Every Sunday, nearly 200 booksellers and 5,000 to 6,000 book fans from Shanghai, Jiangsu and Zhejiang provinces gather at the secondhand book market. They sell books, fish out books and read books , which is very bustling.