What kind of competition is the Champions League? How long does the semi-final start?

The European Champions League, referred to as the Champions League, is an annual football match hosted by union of european football associations, which represents the highest honor and level of European club football. It is considered to be the highest quality, the most influential and the highest level club event in the world, and it is also one of the highest prize-winning football and sports events in the world.

Group ranking rules: a. points, b. comparison of the record of the same team (considering the away goal), c. total goal difference, d. total goal.

Qualifying rules: the first and second qualifying of the group will enter the Champions League 16, and the third qualifying of the group will enter the top 32 of the Europa League.

Rules for drawing lots for knockout: 1/8. In the final, one team will play against the second team, but the teams in the same country and group will not meet, and the second team will play at home first; 1/4 finals were randomly selected; The semi-finals were randomly selected.

Promotion rules of knockout: home and away games system. When the total score is the same, the away scorer will be promoted. If they play the same overtime for 30 minutes, they still can't decide whether to win or lose the penalty shootout.

Final rules: the final is a single-game system. After 90 minutes, the winner was tied and went into 30-minute overtime. The winner is still tied for a penalty shoot-out.