the afc u-17 asian cup, formerly known as the afc u-16 championship and afc u-17 championship, is a football competition, organised by the asian football confederation (afc) held once every two years for asian under-17 teams that also serves as a qualification tournament for the fifa u-17 world cup. the top 4 countries qualify to participate in the fifa u-17 world cup. until 2006 it was held as an under-17 tournament.