Introduction to Jienna Bookstore: Jienan Bookstore was once the residential garden of Ma's salt merchant, and is now open to the public as a 24-hour "urban study room". The study room covers an area of 100 square meters and currently has a collection of more than 3,200 books and more than 10 kinds of newspapers and periodicals. The book content covers political economy, literature and art, history and military, information technology, medicine and fitness, life encyclopedia and other categories, and is updated every two weeks. In the study room, there are self-service card application machines, self-service borrowing and returning machines, self-service book disinfection machines, QR code electronic newspaper and magazine download machines, digital resource inquiry machines and other equipment. The indoor environment is simple, elegant, simple and comfortable, making it an ideal place for citizens to read and study.