Bus route: Express direct access to Line 4 → Daxing Line of Metro Line 4, with the whole journey of about13.4km..

1. Walk about 40 meters from Qinghe and arrive at Qinghe Station.

2. Take the No.4 express train directly and arrive at Xizhimen North Station after three stops (you can also take the No.632 express train).

3. Walk about 320 meters to Xizhimen Station.

4. Take Daxing Line of Metro Line 4, pass 2 stops and arrive at National Library Station.