At present, the AFC has 47 member associations. At that time, according to FIFA's ranking, teams ranked below 20 in Asia will qualify according to their home and away games. The 32 teams in the second stage will be divided into 8 groups, with the first place in each group and the second place with the best performance in 4 groups. Countries that have advanced in the second stage, that is, the "World Cup preliminaries 12", can directly advance to the next Asian Cup. The third stage 12 team divided into two groups to play a bad game of subject and object.