The quarterfinals are decided by drawing lots, but according to the following criteria:
1. One team versus two teams; The same team and the team will not meet; The first leg will be played at the home of the second place in the group.
There will be lots for the quarter-finals and semi-finals, and there is no limit to this draw.
3. In the final, if the two sides play after 90 minutes, they will enter 30 minutes overtime. If the overtime is still tied, the winner will be decided by penalty.
The winner of the final is the champion of this season's UEFA Champions League, who can participate in the FIFA Club World Cup that year, as well as the European Super Cup and UEFA Champions League group match next season.
In the qualifying stage, every time you get two yellow cards in two different games, you will be suspended for one game. To put it bluntly, he always gets the second, fourth and sixth yellow cards in qualifying. The yellow card won in the qualifying stage will not be brought into the main stage, but if the yellow card won in the last game of the qualifying stage leads to the cumulative suspension, the first game of the group stage will still be suspended.