The AFC U-20 Asian Cup, formerly known as the AFC Youth Championship and AFC U-19 Championship, is a biennial international association football competition organised by the Asian Football Confederation (AFC) for the men's under-20 national teams of Asia that also serves as a qualification tournament for the FIFA U-20 World Cup. The competition has been held since 1959. Between 1959 and 1978, the tournament was held annually ; since 1980, it has been held every two years. The 1980 AFC Youth Championship had a qualification stage for first time.