Bus route: Metro Line 7 → Metro Line 4 Daxing Line, the whole journey is about 24.8 kilometers.

1. Walk about 740 meters from Qianmen Street and arrive at Zhushikou Station.

2. Take Metro Line 7, pass 2 stops and arrive at caishikou station.

3. Walk about 50 meters and transfer to Daxing Line of Metro Line 4.

4. Take Daxing Line of Metro Line 4, pass 18 and arrive at anheqiao north station.

5. Walk about 650 meters to National Defense University.