Bus route: 9 19 → subway 10 → subway line 4 → subway line 9, with a total length of about 92.7 kilometers.
1. Walk about 4 10 meters from Yanqing County and arrive at Yanqing Dongguan Station.
2. Take the 9 19 bus, pass the 17 station and arrive at Qijia Huozi Station.
3. Walk about 550 meters to Jiandemen Station.
4. Take the subway 10 line and arrive at Haidian Huang Zhuang Station after 5 stops.
5. Take Daxing Line of Metro Line 4, pass 3 stops and arrive at National Library Station.
6. Take Metro Line 9, pass 4 stops and arrive at Beijing West Railway Station.
7. Walk about140m to Beijing West Railway Station.