"Busu ni Naranai Tetsugaku" (ブスにならない哲学, "The Philosophy of How Not to Become Ugly") is a 2011 song by Hello!

Project acts Morning Musume, Berryz Kobo, Cute, Erina Mano, and Smileage.

The dance sequence appeared in the music video was choreographed by Lucky Ikeda.

[3] Hotexpress' Tetsuo Hiraga noted that when watching the music video for the first time he had the impression the song was a declaration of war against other idol groups, particularly the current leader of the idol scene AKB48.

The reviewer stated that the song was a characteristic of Tsunku mix of disco and pop.