1. The National Library covers an area of 240,000 square meters and has nearly 4,000 reading seats, while Tsinghua Library has a small area and few seats.

2. The total collection of the National Library is 6.5438+0.6254 million books, including 8.984 million books and 2.75 million manuscripts, rubbings, printed copies, letters and other precious documents, while the collection of Tsinghua Library is relatively small.