The song is a heavy mix of stadium-style dubstep and harsh electronics, featuring a catchy "hook that lodges in your brain". While some critics found the bridge's filtered vocals slightly disruptive to the flow, the energetic instrumental and powerful chants are praised for pulling listeners in immediately.

Reviewers and fans often describe the song as a "pure unadulterated fun" party jam.

“this MV represents BTS as a group the best, goofy guys with hard-hitting, in-synch dance.” Reddit · 1theK (원더케이) BTS “Fire” Music Video Review – K-POP On My Mind

Widely considered one of BTS's most difficult and iconic dances, the choreography was crafted by Keone Madrid and Vinh Nguyen . Reviewers highlight the "salt-shaker" move and the sheer intensity of the fast-paced movements.

"Fire" (or "Burning Up") by BTS is widely regarded as a high-octane anthem that solidified the group's reputation for aggressive hip-hop energy and intricate choreography. Released in 2016 as part of the compilation album The Most Beautiful Moment in Life: Young Forever , the track famously topped Billboard’s World Digital Song Sales chart. Musicality and Performance