The main duties of the Forbidden City Library include the collection, collection, cataloging, reading and circulation, restoration and protection, research and development, digitization, etc. of rare books, ordinary ancient books, and books, cultural relics and documents published in the Ming and Qing Dynasties. Carry out research on book preservation and utilization and library science, implement classified and branch library management according to the types and levels of cultural relics and documents, and regularly display and publicize characteristic collections.

Dan Dan undertakes to provide information consultation, document retrieval, reading and copying services for the staff of scientific research and publication, exhibition and exhibition, cultural relics research and ancient building maintenance of the Palace Museum, regularly provide book cataloging information, carry out in-depth development of characteristic documents, and take into account the leisure literature needs of employees.

Introduction to the Forbidden City:

The Forbidden City in Beijing is the imperial palace of China in Ming and Qing Dynasties, formerly known as the Forbidden City, located in the center of Beijing's central axis. The Forbidden City in Beijing is centered on three halls, covering an area of 720,000 square meters, with a construction area of about10.5 million square meters. There are more than 70 palaces and 9000 houses. The construction of the Forbidden City in Beijing began in the fourth year of Yongle (1406), based on the Forbidden City in Nanjing, and was completed in the eighteenth year of Yongle (1420).

It is a rectangular city with a length of 96 1 meter from north to south and a width of 753 meters from east to west, surrounded by a liquid wall with a height of 10 meter, and a moat with a width of 52 meters outside the city. The architecture of the Forbidden City is divided into two parts: the outer court and the inner court. The center of the outer court is the Hall of Supreme Harmony, the Hall of Zhonghe and the Hall of Baohe, which are collectively called the three halls, and are the places where the country holds ceremonies. The center of the Forbidden City is Gan Qing Palace, Jiaotai Palace and Kunning Palace, collectively referred to as the last three palaces, which are the main palaces where emperors and empresses live.

The Forbidden City in Beijing is one of the largest and best-preserved ancient wooden structures in the world. It is a national AAAAA-level tourist attraction and was listed as the first batch of national key cultural relics protection units in 196 1. 1987 is listed as a world cultural heritage.