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.