AFC Champions League 20 13 is the 32nd Asian Champions League, and this competition is organized by the Asian Football Federation. Group matches and 16 are divided into east Asia and west Asia by region. The 32 teams will be divided into 8 groups (4 groups in East Asia and 4 groups in West Asia), and the top 2 teams in each group will advance to 16. After the quarter-finals are produced, the competition will be decided by drawing lots again. 16,14 finals, semi-finals and finals adopt the home and away two-round elimination system. If the total score of the two rounds is tied, it will enter 30 minutes overtime; The winner of overtime will win the championship; If overtime draws, there will be a penalty shootout.