[1] He would gradually established himself as their first choice defensive midfielder within their team until Sichuan Guancheng were disbanded at the end of the 2005 league season and he was free to leave the club.
Being a young and experienced top tier player Yan Feng would attract the interests of several teams within China, eventually deciding to join the newly promoted Changchun Yatai at the beginning of the 2006 Chinese Super League season.
[3] When Gao Hongbo was brought in to manage the squad Changchun Yatai were able to improve upon their previous season by actually winning the Chinese Super League 2007 title, with Yan Feng playing an integral part within the midfield.
[4] Yan Feng was called up into the Chinese senior team on the 25th of July, 2009 to face Kyrgyzstan in a friendly, which China won 3-0.
[5] Under the Chinese Head coach Gao Hongbo, Yan Feng would become a squad regular within the team and make a further appearance in another friendly against Kuwait on November 8, 2009, in a game that ended 2-2.