It is suggested to take 503 → Metro 10 Line → Metro Line 4 Daxing Line. The whole journey of 22.6 kilometers is about 1 hour 10 minute. The specific route is as follows:

Take bus No.503 in Electronic City Community and get off at Yanshaqiao East Station after 8 stops.

Walk 4 10 meters to liangmaqiao station;

Take the subway 10 (outer ring) and get off at Haidian Huang Zhuang Station after 12 stop.

Take Daxing Line of Metro Line 4 (in the direction of Tiangongyuan) and get off at National Library Station after 3 stops (exit C);

Walk 120 meters to the subway national library station.