How to take the subway from Huilongguan to the First Hospital of Peking University?
1. Walk 10 meters first, arrive at Huilongguan, and take the subway 13. After 8 stops, arrive at Xizhimen, walk about 420 meters, arrive at Xizhimen and take Daxing Line of Metro Line 4.
Secondly, walk about 420 meters to Xizhimen and take Daxing Line of Metro Line 4.
3. Finally, after three stops, walk 1. 1 km to Xisi, and you can reach the First Hospital of Peking University.