Bus route: Metro Line 4 Daxing Line → Metro 10 Line → Airport Line, with a total length of about 33.7 kilometers.

1. Walk about 190 meters from Peking University and arrive at the East Gate Station of Peking University.

2. Take Daxing Line of Metro Line 4, pass 2 stops and arrive at Haidian Huang Zhuang Station.

3. Take the subway 10 line, pass 1 1 station and arrive at Sanyuanqiao Station.

4. Walk about 180m to Sanyuanqiao Station.

5. Take the airport line, pass 1 station and arrive at T3 Terminal Station.

6. Walk about 300 meters to Beijing Capital International Airport.