To get to beihai park from dongzhimen metro station where can i catch the tourist line bus from?

Do you want to go to the park from Dongzhimen metro station? If yes, you can take subway line 2 at Dongzhimen station to Chaoyangmen station, then transfer to subway line 6 to Beihaibei station. The duration time is about 15 minutes, and it will cost CNY4/person. Get out form Exit B and walk for 5 minutes to reach your destination.