1. 16 teams can be divided into four groups, A\B\C\D, and each group of four teams will be eliminated by two people.
The top two teams in each group qualified and entered the quarterfinals.
2. In the quarterfinals, the first team of Group A played against the second team of Group B, and the second team of Group A played against the first team of Group B. ..
3. The first team in Group C plays against the second team in Group D, and the second team in Group C plays against the first team in Group D. ..
4. The winning team entered the semi-finals, with the winning team in Group A playing against the winning team in Group B and the winning team in Group C playing against the winning team in Group D. ..
In the final, the winner of AB group will compete with the winner of CD group for the championship and runner-up. The AB loser decided the outcome against the CD loser three or four times.