| 2F | - Entrance to Main Building
- Main Building Entrance Counter
- General Information Desk
- Book Counter
- Main Building Copying Center
- Printout Counter
Microcopy Counter - Business, Science and Technology Room
- Humanities Room
- Reading Room 1
- Group Research Room
- National Diet Library Gallery
| - Lockers
- Pay phone
- Restroom
- Accessible restroom (Ostomy-friendly)
| - Entrance to Annex
- User Registration Counter
- Annex Entrance Counter
- General Information Desk
- Kansai-kan Material Counter
- Periodicals Counter
- Reading Room for Persons with Disabilities
- Annex Reading Room
- Special Purpose Reading Room (Periodicals)
- Entrance to Exhibition Hall
| - Lockers
- Restroom
- Accessible restroom (Ostomy-friendly)
|