Second, free opening is implemented with "no free tickets".
1, 4,000 free tickets will be distributed within a limited time every day (2,500 tickets before 14 o'clock every day and 1500 tickets in the afternoon) until they are distributed.
2. Individual tourists (with ID card or valid certificate) are limited to purchase one ticket, which is valid on the same day and invalid after expiration.
3. Group visits must be booked 24 hours in advance (9: 00- 17: 00). Booking methods are telephone booking and online booking (Tel: 029-85269547, website:). After confirmation, you can get tickets with the letter of introduction from the unit or the letter of assignment from the travel agency.
4. Older people, disabled people and primary school students must be accompanied by family members or guardians to pick up tickets at special windows; The documents of active servicemen can be given priority in purchasing tickets.
5. Those who are disheveled and misbehave refuse to enter the library, and those who carry dangerous controlled articles are prohibited from entering the library.