1. Walk about150m from Peking University Health Science Center and arrive at Beihang Station.
2. Take bus No.691and arrive at Xisanqiqiao East Station after five stops (you can also take bus No.693, 398, 609 and 478).
3. Walk about 300 meters and arrive at Xisanqiqiao North Station.
4. Take the bus. 9 19, arrive at Badaling station after 8 stops (you can also take the bus. 9 19, and then take the bus. 9 19 slowly).
5. Walk about 650 meters to Badaling Great Wall.