Bus route: Metro 1 → Daxing Line of Metro Line 4, the whole journey is about 17.0 km.

1. Take the subway 1 line from Dawang Road, and arrive at Xidan Station after 8 stops.

2. Walk about 400 meters and transfer to Daxing Line of Metro Line 4.

3. Take Daxing Line of Metro Line 4, pass 7 stops and arrive at National Library Station.