It is suggested that it is faster to take the subway.
Suggest the following bus routes:
Take Metro Line 6 (direction of Haidian Wuluju): get on at Chaoyangmen Station and get off at Dongsi Station, 1 station.
Transfer at the station.
Take Metro Line 5 (Tiantongyuan North): get on at Dongsi Station and get off at Beixinqiao Station (Exit A), 2 stops.
The rest need to walk.
The fare is around 3 yuan.
Pay attention to the operation time of the first and last buses.