AtSaat present theini K-League isadalah thesatu-satunya onlyliga professionalprofesional league indi Korea. ItIni berisi containsenam sixteenbelas memberklub clubsanggota.
BelowDi thebawah level of the K-League thereterdapat isLiga the [[Korea National League|National League]]Nasional, a closedliga semi-professionalprofesional /amateurleagueamatir withtertutup fifteendengan clubslima belas klub, establisheddidirikan inpada tahun 2003. TheLevel thirdketiga levelsepakbola of football indi Korea is theadalah [[Challengers League]].
ThereSaat isini, attidak present, no official system ofada promotionsistem andresmi relegationpromosi betweendan anydegradasi ofdi theantara threeketiga leaguesliga. HoweverNamun, beginningmulai intahun 2006, thejuara championsLiga ofNasional thetelah Nationalmemenuhi Leaguesyarat haduntuk beenpromosi eligible for promotion to theke Liga-K-Leagueprovidedasalkan theymereka hadtelah metmemenuhi certainkriteria criteriatertentu. Goyang Kookmin Bank anddan Ulsan Mipo Dockyard, Nationaljuara LeagueLiga championsNasional inpada tahun 2006 anddan 2007 respectively, bothkeduanya rejectedmenolak thekesempatan opportunityuntuk tonaik moveke upK-League. toSetelah thepenolakan promosi K-League. After back-to-back K-League promotion refusals, thekomite NationalLiga LeagueNasional committeememutuskan decideduntuk tomenghentikan discontinuesistem thepromosi conditionalbersyarat promotionsebelum system prior to themusim 2008 season.
